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java.lang.Object
- java.time.LocalDateTime

All Implemented Interfaces:
Serializable, Comparable<ChronoLocalDateTime<?>>, ChronoLocalDateTime<LocalDate>, Temporal, TemporalAccessor, TemporalAdjuster
```
public final class LocalDateTimeextends Objectimplements Temporal, TemporalAdjuster, ChronoLocalDateTime<LocalDate>, Serializable
```
A date-time without a time-zone in the ISO-8601 calendar system, such as 2007-12-03T10:15:30.
LocalDateTime is an immutable date-time object that represents a date-time, often viewed as year-month-day-hour-minute-second. Other date and time fields, such as day-of-year, day-of-week and week-of-year, can also be accessed. Time is represented to nanosecond precision. For example, the value "2nd October 2007 at 13:45.30.123456789" can be stored in a LocalDateTime.
This class does not store or represent a time-zone. Instead, it is a description of the date, as used for birthdays, combined with the local time as seen on a wall clock. It cannot represent an instant on the time-line without additional information such as an offset or time-zone.
The ISO-8601 calendar system is the modern civil calendar system used today in most of the world. It is equivalent to the proleptic Gregorian calendar system, in which today's rules for leap years are applied for all time. For most applications written today, the ISO-8601 rules are entirely suitable. However, any application that makes use of historical dates, and requires them to be accurate will find the ISO-8601 approach unsuitable.
This is a value-based class; use of identity-sensitive operations (including reference equality (==), identity hash code, or synchronization) on instances of LocalDateTime may have unpredictable results and should be avoided. The equals method should be used for comparisons.
Implementation Requirements:
This class is immutable and thread-safe.
Since:
1.8
See Also:
Serialized Form

Field Summary

Fields
Modifier and Type	Field and Description
`static LocalDateTime`	`MAX` The maximum supported `LocalDateTime`, '+999999999-12-31T23:59:59.999999999'.
`static LocalDateTime`	`MIN` The minimum supported `LocalDateTime`, '-999999999-01-01T00:00:00'.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`Temporal`	`adjustInto(Temporal temporal)` Adjusts the specified temporal object to have the same date and time as this object.
`OffsetDateTime`	`atOffset(ZoneOffset offset)` Combines this date-time with an offset to create an `OffsetDateTime`.
`ZonedDateTime`	`atZone(ZoneId zone)` Combines this date-time with a time-zone to create a `ZonedDateTime`.
`int`	`compareTo(ChronoLocalDateTime<?> other)` Compares this date-time to another date-time.
`boolean`	`equals(Object obj)` Checks if this date-time is equal to another date-time.
`String`	`format(DateTimeFormatter formatter)` Formats this date-time using the specified formatter.
`static LocalDateTime`	`from(TemporalAccessor temporal)` Obtains an instance of `LocalDateTime` from a temporal object.
`int`	`get(TemporalField field)` Gets the value of the specified field from this date-time as an `int`.
`int`	`getDayOfMonth()` Gets the day-of-month field.
`DayOfWeek`	`getDayOfWeek()` Gets the day-of-week field, which is an enum `DayOfWeek`.
`int`	`getDayOfYear()` Gets the day-of-year field.
`int`	`getHour()` Gets the hour-of-day field.
`long`	`getLong(TemporalField field)` Gets the value of the specified field from this date-time as a `long`.
`int`	`getMinute()` Gets the minute-of-hour field.
`Month`	`getMonth()` Gets the month-of-year field using the `Month` enum.
`int`	`getMonthValue()` Gets the month-of-year field from 1 to 12.
`int`	`getNano()` Gets the nano-of-second field.
`int`	`getSecond()` Gets the second-of-minute field.
`int`	`getYear()` Gets the year field.
`int`	`hashCode()` A hash code for this date-time.
`boolean`	`isAfter(ChronoLocalDateTime<?> other)` Checks if this date-time is after the specified date-time.
`boolean`	`isBefore(ChronoLocalDateTime<?> other)` Checks if this date-time is before the specified date-time.
`boolean`	`isEqual(ChronoLocalDateTime<?> other)` Checks if this date-time is equal to the specified date-time.
`boolean`	`isSupported(TemporalField field)` Checks if the specified field is supported.
`boolean`	`isSupported(TemporalUnit unit)` Checks if the specified unit is supported.
`LocalDateTime`	`minus(long amountToSubtract, TemporalUnit unit)` Returns a copy of this date-time with the specified amount subtracted.
`LocalDateTime`	`minus(TemporalAmount amountToSubtract)` Returns a copy of this date-time with the specified amount subtracted.
`LocalDateTime`	`minusDays(long days)` Returns a copy of this `LocalDateTime` with the specified number of days subtracted.
`LocalDateTime`	`minusHours(long hours)` Returns a copy of this `LocalDateTime` with the specified number of hours subtracted.
`LocalDateTime`	`minusMinutes(long minutes)` Returns a copy of this `LocalDateTime` with the specified number of minutes subtracted.
`LocalDateTime`	`minusMonths(long months)` Returns a copy of this `LocalDateTime` with the specified number of months subtracted.
`LocalDateTime`	`minusNanos(long nanos)` Returns a copy of this `LocalDateTime` with the specified number of nanoseconds subtracted.
`LocalDateTime`	`minusSeconds(long seconds)` Returns a copy of this `LocalDateTime` with the specified number of seconds subtracted.
`LocalDateTime`	`minusWeeks(long weeks)` Returns a copy of this `LocalDateTime` with the specified number of weeks subtracted.
`LocalDateTime`	`minusYears(long years)` Returns a copy of this `LocalDateTime` with the specified number of years subtracted.
`static LocalDateTime`	`now()` Obtains the current date-time from the system clock in the default time-zone.
`static LocalDateTime`	`now(Clock clock)` Obtains the current date-time from the specified clock.
`static LocalDateTime`	`now(ZoneId zone)` Obtains the current date-time from the system clock in the specified time-zone.
`static LocalDateTime`	`of(int year, int month, int dayOfMonth, int hour, int minute)` Obtains an instance of `LocalDateTime` from year, month, day, hour and minute, setting the second and nanosecond to zero.
`static LocalDateTime`	`of(int year, int month, int dayOfMonth, int hour, int minute, int second)` Obtains an instance of `LocalDateTime` from year, month, day, hour, minute and second, setting the nanosecond to zero.
`static LocalDateTime`	`of(int year, int month, int dayOfMonth, int hour, int minute, int second, int nanoOfSecond)` Obtains an instance of `LocalDateTime` from year, month, day, hour, minute, second and nanosecond.
`static LocalDateTime`	`of(int year, Month month, int dayOfMonth, int hour, int minute)` Obtains an instance of `LocalDateTime` from year, month, day, hour and minute, setting the second and nanosecond to zero.
`static LocalDateTime`	`of(int year, Month month, int dayOfMonth, int hour, int minute, int second)` Obtains an instance of `LocalDateTime` from year, month, day, hour, minute and second, setting the nanosecond to zero.
`static LocalDateTime`	`of(int year, Month month, int dayOfMonth, int hour, int minute, int second, int nanoOfSecond)` Obtains an instance of `LocalDateTime` from year, month, day, hour, minute, second and nanosecond.
`static LocalDateTime`	`of(LocalDate date, LocalTime time)` Obtains an instance of `LocalDateTime` from a date and time.
`static LocalDateTime`	`ofEpochSecond(long epochSecond, int nanoOfSecond, ZoneOffset offset)` Obtains an instance of `LocalDateTime` using seconds from the epoch of 1970-01-01T00:00:00Z.
`static LocalDateTime`	`ofInstant(Instant instant, ZoneId zone)` Obtains an instance of `LocalDateTime` from an `Instant` and zone ID.
`static LocalDateTime`	`parse(CharSequence text)` Obtains an instance of `LocalDateTime` from a text string such as `2007-12-03T10:15:30`.
`static LocalDateTime`	`parse(CharSequence text, DateTimeFormatter formatter)` Obtains an instance of `LocalDateTime` from a text string using a specific formatter.
`LocalDateTime`	`plus(long amountToAdd, TemporalUnit unit)` Returns a copy of this date-time with the specified amount added.
`LocalDateTime`	`plus(TemporalAmount amountToAdd)` Returns a copy of this date-time with the specified amount added.
`LocalDateTime`	`plusDays(long days)` Returns a copy of this `LocalDateTime` with the specified number of days added.
`LocalDateTime`	`plusHours(long hours)` Returns a copy of this `LocalDateTime` with the specified number of hours added.
`LocalDateTime`	`plusMinutes(long minutes)` Returns a copy of this `LocalDateTime` with the specified number of minutes added.
`LocalDateTime`	`plusMonths(long months)` Returns a copy of this `LocalDateTime` with the specified number of months added.
`LocalDateTime`	`plusNanos(long nanos)` Returns a copy of this `LocalDateTime` with the specified number of nanoseconds added.
`LocalDateTime`	`plusSeconds(long seconds)` Returns a copy of this `LocalDateTime` with the specified number of seconds added.
`LocalDateTime`	`plusWeeks(long weeks)` Returns a copy of this `LocalDateTime` with the specified number of weeks added.
`LocalDateTime`	`plusYears(long years)` Returns a copy of this `LocalDateTime` with the specified number of years added.
`<R> R`	`query(TemporalQuery<R> query)` Queries this date-time using the specified query.
`ValueRange`	`range(TemporalField field)` Gets the range of valid values for the specified field.
`LocalDate`	`toLocalDate()` Gets the `LocalDate` part of this date-time.
`LocalTime`	`toLocalTime()` Gets the `LocalTime` part of this date-time.
`String`	`toString()` Outputs this date-time as a `String`, such as `2007-12-03T10:15:30`.
`LocalDateTime`	`truncatedTo(TemporalUnit unit)` Returns a copy of this `LocalDateTime` with the time truncated.
`long`	`until(Temporal endExclusive, TemporalUnit unit)` Calculates the amount of time until another date-time in terms of the specified unit.
`LocalDateTime`	`with(TemporalAdjuster adjuster)` Returns an adjusted copy of this date-time.
`LocalDateTime`	`with(TemporalField field, long newValue)` Returns a copy of this date-time with the specified field set to a new value.
`LocalDateTime`	`withDayOfMonth(int dayOfMonth)` Returns a copy of this `LocalDateTime` with the day-of-month altered.
`LocalDateTime`	`withDayOfYear(int dayOfYear)` Returns a copy of this `LocalDateTime` with the day-of-year altered.
`LocalDateTime`	`withHour(int hour)` Returns a copy of this `LocalDateTime` with the hour-of-day altered.
`LocalDateTime`	`withMinute(int minute)` Returns a copy of this `LocalDateTime` with the minute-of-hour altered.
`LocalDateTime`	`withMonth(int month)` Returns a copy of this `LocalDateTime` with the month-of-year altered.
`LocalDateTime`	`withNano(int nanoOfSecond)` Returns a copy of this `LocalDateTime` with the nano-of-second altered.
`LocalDateTime`	`withSecond(int second)` Returns a copy of this `LocalDateTime` with the second-of-minute altered.
`LocalDateTime`	`withYear(int year)` Returns a copy of this `LocalDateTime` with the year altered.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.time.chrono.ChronoLocalDateTime
getChronology, timeLineOrder, toEpochSecond, toInstant

- Field Detail
  - MIN
```
public static final LocalDateTime MIN
```
    The minimum supported LocalDateTime, '-999999999-01-01T00:00:00'. This is the local date-time of midnight at the start of the minimum date. This combines LocalDate.MIN and LocalTime.MIN. This could be used by an application as a "far past" date-time.
  - MAX
```
public static final LocalDateTime MAX
```
    The maximum supported LocalDateTime, '+999999999-12-31T23:59:59.999999999'. This is the local date-time just before midnight at the end of the maximum date. This combines LocalDate.MAX and LocalTime.MAX. This could be used by an application as a "far future" date-time.
- Method Detail
  - now
```
public static LocalDateTime now()
```
    Obtains the current date-time from the system clock in the default time-zone.
    This will query the system clock in the default time-zone to obtain the current date-time.
    Using this method will prevent the ability to use an alternate clock for testing because the clock is hard-coded.
    Returns:
    the current date-time using the system clock and default time-zone, not null
  - now
```
public static LocalDateTime now(ZoneId zone)
```
    Obtains the current date-time from the system clock in the specified time-zone.
    This will query the system clock to obtain the current date-time. Specifying the time-zone avoids dependence on the default time-zone.
    Using this method will prevent the ability to use an alternate clock for testing because the clock is hard-coded.
    Parameters:
    zone - the zone ID to use, not null
    Returns:
    the current date-time using the system clock, not null
  - now
```
public static LocalDateTime now(Clock clock)
```
    Obtains the current date-time from the specified clock.
    This will query the specified clock to obtain the current date-time. Using this method allows the use of an alternate clock for testing. The alternate clock may be introduced using dependency injection.
    Parameters:
    clock - the clock to use, not null
    Returns:
    the current date-time, not null
  - of
```
public static LocalDateTime of(int year,                               Month month,                               int dayOfMonth,                               int hour,                               int minute)
```
    Obtains an instance of LocalDateTime from year, month, day, hour and minute, setting the second and nanosecond to zero.
    This returns a LocalDateTime with the specified year, month, day-of-month, hour and minute. The day must be valid for the year and month, otherwise an exception will be thrown. The second and nanosecond fields will be set to zero.
    Parameters:
    year - the year to represent, from MIN_YEAR to MAX_YEAR
    month - the month-of-year to represent, not null
    dayOfMonth - the day-of-month to represent, from 1 to 31
    hour - the hour-of-day to represent, from 0 to 23
    minute - the minute-of-hour to represent, from 0 to 59
    Returns:
    the local date-time, not null
    Throws:
    DateTimeException - if the value of any field is out of range, or if the day-of-month is invalid for the month-year
  - of
```
public static LocalDateTime of(int year,                               Month month,                               int dayOfMonth,                               int hour,                               int minute,                               int second)
```
    Obtains an instance of LocalDateTime from year, month, day, hour, minute and second, setting the nanosecond to zero.
    This returns a LocalDateTime with the specified year, month, day-of-month, hour, minute and second. The day must be valid for the year and month, otherwise an exception will be thrown. The nanosecond field will be set to zero.
    Parameters:
    year - the year to represent, from MIN_YEAR to MAX_YEAR
    month - the month-of-year to represent, not null
    dayOfMonth - the day-of-month to represent, from 1 to 31
    hour - the hour-of-day to represent, from 0 to 23
    minute - the minute-of-hour to represent, from 0 to 59
    second - the second-of-minute to represent, from 0 to 59
    Returns:
    the local date-time, not null
    Throws:
    DateTimeException - if the value of any field is out of range, or if the day-of-month is invalid for the month-year
  - of
```
public static LocalDateTime of(int year,                               Month month,                               int dayOfMonth,                               int hour,                               int minute,                               int second,                               int nanoOfSecond)
```
    Obtains an instance of LocalDateTime from year, month, day, hour, minute, second and nanosecond.
    This returns a LocalDateTime with the specified year, month, day-of-month, hour, minute, second and nanosecond. The day must be valid for the year and month, otherwise an exception will be thrown.
    Parameters:
    year - the year to represent, from MIN_YEAR to MAX_YEAR
    month - the month-of-year to represent, not null
    dayOfMonth - the day-of-month to represent, from 1 to 31
    hour - the hour-of-day to represent, from 0 to 23
    minute - the minute-of-hour to represent, from 0 to 59
    second - the second-of-minute to represent, from 0 to 59
    nanoOfSecond - the nano-of-second to represent, from 0 to 999,999,999
    Returns:
    the local date-time, not null
    Throws:
    DateTimeException - if the value of any field is out of range, or if the day-of-month is invalid for the month-year
  - of
```
public static LocalDateTime of(int year,                               int month,                               int dayOfMonth,                               int hour,                               int minute)
```
    Obtains an instance of LocalDateTime from year, month, day, hour and minute, setting the second and nanosecond to zero.
    This returns a LocalDateTime with the specified year, month, day-of-month, hour and minute. The day must be valid for the year and month, otherwise an exception will be thrown. The second and nanosecond fields will be set to zero.
    Parameters:
    year - the year to represent, from MIN_YEAR to MAX_YEAR
    month - the month-of-year to represent, from 1 (January) to 12 (December)
    dayOfMonth - the day-of-month to represent, from 1 to 31
    hour - the hour-of-day to represent, from 0 to 23
    minute - the minute-of-hour to represent, from 0 to 59
    Returns:
    the local date-time, not null
    Throws:
    DateTimeException - if the value of any field is out of range, or if the day-of-month is invalid for the month-year
  - of
```
public static LocalDateTime of(int year,                               int month,                               int dayOfMonth,                               int hour,                               int minute,                               int second)
```
    Obtains an instance of LocalDateTime from year, month, day, hour, minute and second, setting the nanosecond to zero.
    This returns a LocalDateTime with the specified year, month, day-of-month, hour, minute and second. The day must be valid for the year and month, otherwise an exception will be thrown. The nanosecond field will be set to zero.
    Parameters:
    year - the year to represent, from MIN_YEAR to MAX_YEAR
    month - the month-of-year to represent, from 1 (January) to 12 (December)
    dayOfMonth - the day-of-month to represent, from 1 to 31
    hour - the hour-of-day to represent, from 0 to 23
    minute - the minute-of-hour to represent, from 0 to 59
    second - the second-of-minute to represent, from 0 to 59
    Returns:
    the local date-time, not null
    Throws:
    DateTimeException - if the value of any field is out of range, or if the day-of-month is invalid for the month-year
  - of
```
public static LocalDateTime of(int year,                               int month,                               int dayOfMonth,                               int hour,                               int minute,                               int second,                               int nanoOfSecond)
```
    Obtains an instance of LocalDateTime from year, month, day, hour, minute, second and nanosecond.
    This returns a LocalDateTime with the specified year, month, day-of-month, hour, minute, second and nanosecond. The day must be valid for the year and month, otherwise an exception will be thrown.
    Parameters:
    year - the year to represent, from MIN_YEAR to MAX_YEAR
    month - the month-of-year to represent, from 1 (January) to 12 (December)
    dayOfMonth - the day-of-month to represent, from 1 to 31
    hour - the hour-of-day to represent, from 0 to 23
    minute - the minute-of-hour to represent, from 0 to 59
    second - the second-of-minute to represent, from 0 to 59
    nanoOfSecond - the nano-of-second to represent, from 0 to 999,999,999
    Returns:
    the local date-time, not null
    Throws:
    DateTimeException - if the value of any field is out of range, or if the day-of-month is invalid for the month-year
  - of
```
public static LocalDateTime of(LocalDate date,                               LocalTime time)
```
    Obtains an instance of LocalDateTime from a date and time.
    Parameters:
    date - the local date, not null
    time - the local time, not null
    Returns:
    the local date-time, not null
  - ofInstant
```
public static LocalDateTime ofInstant(Instant instant,                                      ZoneId zone)
```
    Obtains an instance of LocalDateTime from an Instant and zone ID.
    This creates a local date-time based on the specified instant. First, the offset from UTC/Greenwich is obtained using the zone ID and instant, which is simple as there is only one valid offset for each instant. Then, the instant and offset are used to calculate the local date-time.
    Parameters:
    instant - the instant to create the date-time from, not null
    zone - the time-zone, which may be an offset, not null
    Returns:
    the local date-time, not null
    Throws:
    DateTimeException - if the result exceeds the supported range
  - ofEpochSecond
```
public static LocalDateTime ofEpochSecond(long epochSecond,                                          int nanoOfSecond,                                          ZoneOffset offset)
```
    Obtains an instance of LocalDateTime using seconds from the epoch of 1970-01-01T00:00:00Z.
    This allows the epoch-second field to be converted to a local date-time. This is primarily intended for low-level conversions rather than general application usage.
    Parameters:
    epochSecond - the number of seconds from the epoch of 1970-01-01T00:00:00Z
    nanoOfSecond - the nanosecond within the second, from 0 to 999,999,999
    offset - the zone offset, not null
    Returns:
    the local date-time, not null
    Throws:
    DateTimeException - if the result exceeds the supported range, or if the nano-of-second is invalid
  - from
```
public static LocalDateTime from(TemporalAccessor temporal)
```
    Obtains an instance of LocalDateTime from a temporal object.
    This obtains a local date-time based on the specified temporal. A TemporalAccessor represents an arbitrary set of date and time information, which this factory converts to an instance of LocalDateTime.
    The conversion extracts and combines the LocalDate and the LocalTime from the temporal object. Implementations are permitted to perform optimizations such as accessing those fields that are equivalent to the relevant objects.
    This method matches the signature of the functional interface TemporalQuery allowing it to be used as a query via method reference, LocalDateTime::from.
    Specified by:
    from in interface ChronoLocalDateTime<LocalDate>
    Parameters:
    temporal - the temporal object to convert, not null
    Returns:
    the local date-time, not null
    Throws:
    DateTimeException - if unable to convert to a LocalDateTime
    See Also:
    Chronology.localDateTime(TemporalAccessor)
  - parse
```
public static LocalDateTime parse(CharSequence text)
```
    Obtains an instance of LocalDateTime from a text string such as 2007-12-03T10:15:30.
    The string must represent a valid date-time and is parsed using DateTimeFormatter.ISO_LOCAL_DATE_TIME.
    Parameters:
    text - the text to parse such as "2007-12-03T10:15:30", not null
    Returns:
    the parsed local date-time, not null
    Throws:
    DateTimeParseException - if the text cannot be parsed
  - parse
```
public static LocalDateTime parse(CharSequence text,                                  DateTimeFormatter formatter)
```
    Obtains an instance of LocalDateTime from a text string using a specific formatter.
    The text is parsed using the formatter, returning a date-time.
    Parameters:
    text - the text to parse, not null
    formatter - the formatter to use, not null
    Returns:
    the parsed local date-time, not null
    Throws:
    DateTimeParseException - if the text cannot be parsed
  - isSupported
```
public boolean isSupported(TemporalField field)
```
    Checks if the specified field is supported.
    This checks if this date-time can be queried for the specified field. If false, then calling the range, get and with(TemporalField, long) methods will throw an exception.
    If the field is a ChronoField then the query is implemented here. The supported fields are:
    - NANO_OF_SECOND
    - NANO_OF_DAY
    - MICRO_OF_SECOND
    - MICRO_OF_DAY
    - MILLI_OF_SECOND
    - MILLI_OF_DAY
    - SECOND_OF_MINUTE
    - SECOND_OF_DAY
    - MINUTE_OF_HOUR
    - MINUTE_OF_DAY
    - HOUR_OF_AMPM
    - CLOCK_HOUR_OF_AMPM
    - HOUR_OF_DAY
    - CLOCK_HOUR_OF_DAY
    - AMPM_OF_DAY
    - DAY_OF_WEEK
    - ALIGNED_DAY_OF_WEEK_IN_MONTH
    - ALIGNED_DAY_OF_WEEK_IN_YEAR
    - DAY_OF_MONTH
    - DAY_OF_YEAR
    - EPOCH_DAY
    - ALIGNED_WEEK_OF_MONTH
    - ALIGNED_WEEK_OF_YEAR
    - MONTH_OF_YEAR
    - PROLEPTIC_MONTH
    - YEAR_OF_ERA
    - YEAR
    - ERA
    All other ChronoField instances will return false.
    If the field is not a ChronoField, then the result of this method is obtained by invoking TemporalField.isSupportedBy(TemporalAccessor) passing this as the argument. Whether the field is supported is determined by the field.
    Specified by:
    isSupported in interface ChronoLocalDateTime<LocalDate>
    Specified by:
    isSupported in interface TemporalAccessor
    Parameters:
    field - the field to check, null returns false
    Returns:
    true if the field is supported on this date-time, false if not
  - isSupported
```
public boolean isSupported(TemporalUnit unit)
```
    Checks if the specified unit is supported.
    This checks if the specified unit can be added to, or subtracted from, this date-time. If false, then calling the plus(long, TemporalUnit) and minus methods will throw an exception.
    If the unit is a ChronoUnit then the query is implemented here. The supported units are:
    - NANOS
    - MICROS
    - MILLIS
    - SECONDS
    - MINUTES
    - HOURS
    - HALF_DAYS
    - DAYS
    - WEEKS
    - MONTHS
    - YEARS
    - DECADES
    - CENTURIES
    - MILLENNIA
    - ERAS
    All other ChronoUnit instances will return false.
    If the unit is not a ChronoUnit, then the result of this method is obtained by invoking TemporalUnit.isSupportedBy(Temporal) passing this as the argument. Whether the unit is supported is determined by the unit.
    Specified by:
    isSupported in interface ChronoLocalDateTime<LocalDate>
    Specified by:
    isSupported in interface Temporal
    Parameters:
    unit - the unit to check, null returns false
    Returns:
    true if the unit can be added/subtracted, false if not
  - range
```
public ValueRange range(TemporalField field)
```
    Gets the range of valid values for the specified field.
    The range object expresses the minimum and maximum valid values for a field. This date-time is used to enhance the accuracy of the returned range. If it is not possible to return the range, because the field is not supported or for some other reason, an exception is thrown.
    If the field is a ChronoField then the query is implemented here. The supported fields will return appropriate range instances. All other ChronoField instances will throw an UnsupportedTemporalTypeException.
    If the field is not a ChronoField, then the result of this method is obtained by invoking TemporalField.rangeRefinedBy(TemporalAccessor) passing this as the argument. Whether the range can be obtained is determined by the field.
    Specified by:
    range in interface TemporalAccessor
    Parameters:
    field - the field to query the range for, not null
    Returns:
    the range of valid values for the field, not null
    Throws:
    DateTimeException - if the range for the field cannot be obtained
    UnsupportedTemporalTypeException - if the field is not supported
  - get
```
public int get(TemporalField field)
```
    Gets the value of the specified field from this date-time as an int.
    This queries this date-time for the value of the specified field. The returned value will always be within the valid range of values for the field. If it is not possible to return the value, because the field is not supported or for some other reason, an exception is thrown.
    If the field is a ChronoField then the query is implemented here. The supported fields will return valid values based on this date-time, except NANO_OF_DAY, MICRO_OF_DAY, EPOCH_DAY and PROLEPTIC_MONTH which are too large to fit in an int and throw a DateTimeException. All other ChronoField instances will throw an UnsupportedTemporalTypeException.
    If the field is not a ChronoField, then the result of this method is obtained by invoking TemporalField.getFrom(TemporalAccessor) passing this as the argument. Whether the value can be obtained, and what the value represents, is determined by the field.
    Specified by:
    get in interface TemporalAccessor
    Parameters:
    field - the field to get, not null
    Returns:
    the value for the field
    Throws:
    DateTimeException - if a value for the field cannot be obtained or the value is outside the range of valid values for the field
    UnsupportedTemporalTypeException - if the field is not supported or the range of values exceeds an int
    ArithmeticException - if numeric overflow occurs
  - getLong
```
public long getLong(TemporalField field)
```
    Gets the value of the specified field from this date-time as a long.
    This queries this date-time for the value of the specified field. If it is not possible to return the value, because the field is not supported or for some other reason, an exception is thrown.
    If the field is a ChronoField then the query is implemented here. The supported fields will return valid values based on this date-time. All other ChronoField instances will throw an UnsupportedTemporalTypeException.
    If the field is not a ChronoField, then the result of this method is obtained by invoking TemporalField.getFrom(TemporalAccessor) passing this as the argument. Whether the value can be obtained, and what the value represents, is determined by the field.
    Specified by:
    getLong in interface TemporalAccessor
    Parameters:
    field - the field to get, not null
    Returns:
    the value for the field
    Throws:
    DateTimeException - if a value for the field cannot be obtained
    UnsupportedTemporalTypeException - if the field is not supported
    ArithmeticException - if numeric overflow occurs
  - toLocalDate
```
public LocalDate toLocalDate()
```
    Gets the LocalDate part of this date-time.
    This returns a LocalDate with the same year, month and day as this date-time.
    Specified by:
    toLocalDate in interface ChronoLocalDateTime<LocalDate>
    Returns:
    the date part of this date-time, not null
  - getYear
```
public int getYear()
```
    Gets the year field.
    This method returns the primitive int value for the year.
    The year returned by this method is proleptic as per get(YEAR). To obtain the year-of-era, use get(YEAR_OF_ERA).
    Returns:
    the year, from MIN_YEAR to MAX_YEAR
  - getMonthValue
```
public int getMonthValue()
```
    Gets the month-of-year field from 1 to 12.
    This method returns the month as an int from 1 to 12. Application code is frequently clearer if the enum Month is used by calling getMonth().
    Returns:
    the month-of-year, from 1 to 12
    See Also:
    getMonth()
  - getMonth
```
public Month getMonth()
```
    Gets the month-of-year field using the Month enum.
    This method returns the enum Month for the month. This avoids confusion as to what int values mean. If you need access to the primitive int value then the enum provides the int value.
    Returns:
    the month-of-year, not null
    See Also:
    getMonthValue()
  - getDayOfMonth
```
public int getDayOfMonth()
```
    Gets the day-of-month field.
    This method returns the primitive int value for the day-of-month.
    Returns:
    the day-of-month, from 1 to 31
  - getDayOfYear
```
public int getDayOfYear()
```
    Gets the day-of-year field.
    This method returns the primitive int value for the day-of-year.
    Returns:
    the day-of-year, from 1 to 365, or 366 in a leap year
  - getDayOfWeek
```
public DayOfWeek getDayOfWeek()
```
    Gets the day-of-week field, which is an enum DayOfWeek.
    This method returns the enum DayOfWeek for the day-of-week. This avoids confusion as to what int values mean. If you need access to the primitive int value then the enum provides the int value.
    Additional information can be obtained from the DayOfWeek. This includes textual names of the values.
    Returns:
    the day-of-week, not null
  - toLocalTime
```
public LocalTime toLocalTime()
```
    Gets the LocalTime part of this date-time.
    This returns a LocalTime with the same hour, minute, second and nanosecond as this date-time.
    Specified by:
    toLocalTime in interface ChronoLocalDateTime<LocalDate>
    Returns:
    the time part of this date-time, not null
  - getHour
```
public int getHour()
```
    Gets the hour-of-day field.
    Returns:
    the hour-of-day, from 0 to 23
  - getMinute
```
public int getMinute()
```
    Gets the minute-of-hour field.
    Returns:
    the minute-of-hour, from 0 to 59
  - getSecond
```
public int getSecond()
```
    Gets the second-of-minute field.
    Returns:
    the second-of-minute, from 0 to 59
  - getNano
```
public int getNano()
```
    Gets the nano-of-second field.
    Returns:
    the nano-of-second, from 0 to 999,999,999
  - with
```
public LocalDateTime with(TemporalAdjuster adjuster)
```
    Returns an adjusted copy of this date-time.
    This returns a LocalDateTime, based on this one, with the date-time adjusted. The adjustment takes place using the specified adjuster strategy object. Read the documentation of the adjuster to understand what adjustment will be made.
    A simple adjuster might simply set the one of the fields, such as the year field. A more complex adjuster might set the date to the last day of the month.
    A selection of common adjustments is provided in TemporalAdjusters. These include finding the "last day of the month" and "next Wednesday". Key date-time classes also implement the TemporalAdjuster interface, such as Month and MonthDay. The adjuster is responsible for handling special cases, such as the varying lengths of month and leap years.
    For example this code returns a date on the last day of July:
```
  import static java.time.Month.*;  import static java.time.temporal.TemporalAdjusters.*;  result = localDateTime.with(JULY).with(lastDayOfMonth()); 
```
    The classes LocalDate and LocalTime implement TemporalAdjuster, thus this method can be used to change the date, time or offset:
```
  result = localDateTime.with(date);  result = localDateTime.with(time); 
```
    The result of this method is obtained by invoking the TemporalAdjuster.adjustInto(Temporal) method on the specified adjuster passing this as the argument.
    This instance is immutable and unaffected by this method call.
    Specified by:
    with in interface ChronoLocalDateTime<LocalDate>
    Specified by:
    with in interface Temporal
    Parameters:
    adjuster - the adjuster to use, not null
    Returns:
    a LocalDateTime based on this with the adjustment made, not null
    Throws:
    DateTimeException - if the adjustment cannot be made
    ArithmeticException - if numeric overflow occurs
  - with
```
public LocalDateTime with(TemporalField field,                          long newValue)
```
    Returns a copy of this date-time with the specified field set to a new value.
    This returns a LocalDateTime, based on this one, with the value for the specified field changed. This can be used to change any supported field, such as the year, month or day-of-month. If it is not possible to set the value, because the field is not supported or for some other reason, an exception is thrown.
    In some cases, changing the specified field can cause the resulting date-time to become invalid, such as changing the month from 31st January to February would make the day-of-month invalid. In cases like this, the field is responsible for resolving the date. Typically it will choose the previous valid date, which would be the last valid day of February in this example.
    If the field is a ChronoField then the adjustment is implemented here. The supported fields will behave as per the matching method on LocalDate or LocalTime. All other ChronoField instances will throw an UnsupportedTemporalTypeException.
    If the field is not a ChronoField, then the result of this method is obtained by invoking TemporalField.adjustInto(Temporal, long) passing this as the argument. In this case, the field determines whether and how to adjust the instant.
    This instance is immutable and unaffected by this method call.
    Specified by:
    with in interface ChronoLocalDateTime<LocalDate>
    Specified by:
    with in interface Temporal
    Parameters:
    field - the field to set in the result, not null
    newValue - the new value of the field in the result
    Returns:
    a LocalDateTime based on this with the specified field set, not null
    Throws:
    DateTimeException - if the field cannot be set
    UnsupportedTemporalTypeException - if the field is not supported
    ArithmeticException - if numeric overflow occurs
  - withYear
```
public LocalDateTime withYear(int year)
```
    Returns a copy of this LocalDateTime with the year altered.
    The time does not affect the calculation and will be the same in the result. If the day-of-month is invalid for the year, it will be changed to the last valid day of the month.
    This instance is immutable and unaffected by this method call.
    Parameters:
    year - the year to set in the result, from MIN_YEAR to MAX_YEAR
    Returns:
    a LocalDateTime based on this date-time with the requested year, not null
    Throws:
    DateTimeException - if the year value is invalid
  - withMonth
```
public LocalDateTime withMonth(int month)
```
    Returns a copy of this LocalDateTime with the month-of-year altered.
    The time does not affect the calculation and will be the same in the result. If the day-of-month is invalid for the year, it will be changed to the last valid day of the month.
    This instance is immutable and unaffected by this method call.
    Parameters:
    month - the month-of-year to set in the result, from 1 (January) to 12 (December)
    Returns:
    a LocalDateTime based on this date-time with the requested month, not null
    Throws:
    DateTimeException - if the month-of-year value is invalid
  - withDayOfMonth
```
public LocalDateTime withDayOfMonth(int dayOfMonth)
```
    Returns a copy of this LocalDateTime with the day-of-month altered.
    If the resulting date-time is invalid, an exception is thrown. The time does not affect the calculation and will be the same in the result.
    This instance is immutable and unaffected by this method call.
    Parameters:
    dayOfMonth - the day-of-month to set in the result, from 1 to 28-31
    Returns:
    a LocalDateTime based on this date-time with the requested day, not null
    Throws:
    DateTimeException - if the day-of-month value is invalid, or if the day-of-month is invalid for the month-year
  - withDayOfYear
```
public LocalDateTime withDayOfYear(int dayOfYear)
```
    Returns a copy of this LocalDateTime with the day-of-year altered.
    If the resulting date-time is invalid, an exception is thrown.
    This instance is immutable and unaffected by this method call.
    Parameters:
    dayOfYear - the day-of-year to set in the result, from 1 to 365-366
    Returns:
    a LocalDateTime based on this date with the requested day, not null
    Throws:
    DateTimeException - if the day-of-year value is invalid, or if the day-of-year is invalid for the year
  - withHour
```
public LocalDateTime withHour(int hour)
```
    Returns a copy of this LocalDateTime with the hour-of-day altered.
    This instance is immutable and unaffected by this method call.
    Parameters:
    hour - the hour-of-day to set in the result, from 0 to 23
    Returns:
    a LocalDateTime based on this date-time with the requested hour, not null
    Throws:
    DateTimeException - if the hour value is invalid
  - withMinute
```
public LocalDateTime withMinute(int minute)
```
    Returns a copy of this LocalDateTime with the minute-of-hour altered.
    This instance is immutable and unaffected by this method call.
    Parameters:
    minute - the minute-of-hour to set in the result, from 0 to 59
    Returns:
    a LocalDateTime based on this date-time with the requested minute, not null
    Throws:
    DateTimeException - if the minute value is invalid
  - withSecond
```
public LocalDateTime withSecond(int second)
```
    Returns a copy of this LocalDateTime with the second-of-minute altered.
    This instance is immutable and unaffected by this method call.
    Parameters:
    second - the second-of-minute to set in the result, from 0 to 59
    Returns:
    a LocalDateTime based on this date-time with the requested second, not null
    Throws:
    DateTimeException - if the second value is invalid
  - withNano
```
public LocalDateTime withNano(int nanoOfSecond)
```
    Returns a copy of this LocalDateTime with the nano-of-second altered.
    This instance is immutable and unaffected by this method call.
    Parameters:
    nanoOfSecond - the nano-of-second to set in the result, from 0 to 999,999,999
    Returns:
    a LocalDateTime based on this date-time with the requested nanosecond, not null
    Throws:
    DateTimeException - if the nano value is invalid
  - truncatedTo
```
public LocalDateTime truncatedTo(TemporalUnit unit)
```
    Returns a copy of this LocalDateTime with the time truncated.
    Truncation returns a copy of the original date-time with fields smaller than the specified unit set to zero. For example, truncating with the minutes unit will set the second-of-minute and nano-of-second field to zero.
    The unit must have a duration that divides into the length of a standard day without remainder. This includes all supplied time units on ChronoUnit and DAYS. Other units throw an exception.
    This instance is immutable and unaffected by this method call.
    Parameters:
    unit - the unit to truncate to, not null
    Returns:
    a LocalDateTime based on this date-time with the time truncated, not null
    Throws:
    DateTimeException - if unable to truncate
    UnsupportedTemporalTypeException - if the unit is not supported
  - plus
```
public LocalDateTime plus(TemporalAmount amountToAdd)
```
    Returns a copy of this date-time with the specified amount added.
    This returns a LocalDateTime, based on this one, with the specified amount added. The amount is typically Period or Duration but may be any other type implementing the TemporalAmount interface.
    The calculation is delegated to the amount object by calling TemporalAmount.addTo(Temporal). The amount implementation is free to implement the addition in any way it wishes, however it typically calls back to plus(long, TemporalUnit). Consult the documentation of the amount implementation to determine if it can be successfully added.
    This instance is immutable and unaffected by this method call.
    Specified by:
    plus in interface ChronoLocalDateTime<LocalDate>
    Specified by:
    plus in interface Temporal
    Parameters:
    amountToAdd - the amount to add, not null
    Returns:
    a LocalDateTime based on this date-time with the addition made, not null
    Throws:
    DateTimeException - if the addition cannot be made
    ArithmeticException - if numeric overflow occurs
  - plus
```
public LocalDateTime plus(long amountToAdd,                          TemporalUnit unit)
```
    Returns a copy of this date-time with the specified amount added.
    This returns a LocalDateTime, based on this one, with the amount in terms of the unit added. If it is not possible to add the amount, because the unit is not supported or for some other reason, an exception is thrown.
    If the field is a ChronoUnit then the addition is implemented here. Date units are added as per LocalDate.plus(long, TemporalUnit). Time units are added as per LocalTime.plus(long, TemporalUnit) with any overflow in days added equivalent to using plusDays(long).
    If the field is not a ChronoUnit, then the result of this method is obtained by invoking TemporalUnit.addTo(Temporal, long) passing this as the argument. In this case, the unit determines whether and how to perform the addition.
    This instance is immutable and unaffected by this method call.
    Specified by:
    plus in interface ChronoLocalDateTime<LocalDate>
    Specified by:
    plus in interface Temporal
    Parameters:
    amountToAdd - the amount of the unit to add to the result, may be negative
    unit - the unit of the amount to add, not null
    Returns:
    a LocalDateTime based on this date-time with the specified amount added, not null
    Throws:
    DateTimeException - if the addition cannot be made
    UnsupportedTemporalTypeException - if the unit is not supported
    ArithmeticException - if numeric overflow occurs
  - plusYears
```
public LocalDateTime plusYears(long years)
```
    Returns a copy of this LocalDateTime with the specified number of years added.
    This method adds the specified amount to the years field in three steps:
    1. Add the input years to the year field
    2. Check if the resulting date would be invalid
    3. Adjust the day-of-month to the last valid day if necessary
    For example, 2008-02-29 (leap year) plus one year would result in the invalid date 2009-02-29 (standard year). Instead of returning an invalid result, the last valid day of the month, 2009-02-28, is selected instead.
    This instance is immutable and unaffected by this method call.
    Parameters:
    years - the years to add, may be negative
    Returns:
    a LocalDateTime based on this date-time with the years added, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - plusMonths
```
public LocalDateTime plusMonths(long months)
```
    Returns a copy of this LocalDateTime with the specified number of months added.
    This method adds the specified amount to the months field in three steps:
    1. Add the input months to the month-of-year field
    2. Check if the resulting date would be invalid
    3. Adjust the day-of-month to the last valid day if necessary
    For example, 2007-03-31 plus one month would result in the invalid date 2007-04-31. Instead of returning an invalid result, the last valid day of the month, 2007-04-30, is selected instead.
    This instance is immutable and unaffected by this method call.
    Parameters:
    months - the months to add, may be negative
    Returns:
    a LocalDateTime based on this date-time with the months added, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - plusWeeks
```
public LocalDateTime plusWeeks(long weeks)
```
    Returns a copy of this LocalDateTime with the specified number of weeks added.
    This method adds the specified amount in weeks to the days field incrementing the month and year fields as necessary to ensure the result remains valid. The result is only invalid if the maximum/minimum year is exceeded.
    For example, 2008-12-31 plus one week would result in 2009-01-07.
    This instance is immutable and unaffected by this method call.
    Parameters:
    weeks - the weeks to add, may be negative
    Returns:
    a LocalDateTime based on this date-time with the weeks added, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - plusDays
```
public LocalDateTime plusDays(long days)
```
    Returns a copy of this LocalDateTime with the specified number of days added.
    This method adds the specified amount to the days field incrementing the month and year fields as necessary to ensure the result remains valid. The result is only invalid if the maximum/minimum year is exceeded.
    For example, 2008-12-31 plus one day would result in 2009-01-01.
    This instance is immutable and unaffected by this method call.
    Parameters:
    days - the days to add, may be negative
    Returns:
    a LocalDateTime based on this date-time with the days added, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - plusHours
```
public LocalDateTime plusHours(long hours)
```
    Returns a copy of this LocalDateTime with the specified number of hours added.
    This instance is immutable and unaffected by this method call.
    Parameters:
    hours - the hours to add, may be negative
    Returns:
    a LocalDateTime based on this date-time with the hours added, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - plusMinutes
```
public LocalDateTime plusMinutes(long minutes)
```
    Returns a copy of this LocalDateTime with the specified number of minutes added.
    This instance is immutable and unaffected by this method call.
    Parameters:
    minutes - the minutes to add, may be negative
    Returns:
    a LocalDateTime based on this date-time with the minutes added, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - plusSeconds
```
public LocalDateTime plusSeconds(long seconds)
```
    Returns a copy of this LocalDateTime with the specified number of seconds added.
    This instance is immutable and unaffected by this method call.
    Parameters:
    seconds - the seconds to add, may be negative
    Returns:
    a LocalDateTime based on this date-time with the seconds added, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - plusNanos
```
public LocalDateTime plusNanos(long nanos)
```
    Returns a copy of this LocalDateTime with the specified number of nanoseconds added.
    This instance is immutable and unaffected by this method call.
    Parameters:
    nanos - the nanos to add, may be negative
    Returns:
    a LocalDateTime based on this date-time with the nanoseconds added, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - minus
```
public LocalDateTime minus(TemporalAmount amountToSubtract)
```
    Returns a copy of this date-time with the specified amount subtracted.
    This returns a LocalDateTime, based on this one, with the specified amount subtracted. The amount is typically Period or Duration but may be any other type implementing the TemporalAmount interface.
    The calculation is delegated to the amount object by calling TemporalAmount.subtractFrom(Temporal). The amount implementation is free to implement the subtraction in any way it wishes, however it typically calls back to minus(long, TemporalUnit). Consult the documentation of the amount implementation to determine if it can be successfully subtracted.
    This instance is immutable and unaffected by this method call.
    Specified by:
    minus in interface ChronoLocalDateTime<LocalDate>
    Specified by:
    minus in interface Temporal
    Parameters:
    amountToSubtract - the amount to subtract, not null
    Returns:
    a LocalDateTime based on this date-time with the subtraction made, not null
    Throws:
    DateTimeException - if the subtraction cannot be made
    ArithmeticException - if numeric overflow occurs
  - minus
```
public LocalDateTime minus(long amountToSubtract,                           TemporalUnit unit)
```
    Returns a copy of this date-time with the specified amount subtracted.
    This returns a LocalDateTime, based on this one, with the amount in terms of the unit subtracted. If it is not possible to subtract the amount, because the unit is not supported or for some other reason, an exception is thrown.
    This method is equivalent to plus(long, TemporalUnit) with the amount negated. See that method for a full description of how addition, and thus subtraction, works.
    This instance is immutable and unaffected by this method call.
    Specified by:
    minus in interface ChronoLocalDateTime<LocalDate>
    Specified by:
    minus in interface Temporal
    Parameters:
    amountToSubtract - the amount of the unit to subtract from the result, may be negative
    unit - the unit of the amount to subtract, not null
    Returns:
    a LocalDateTime based on this date-time with the specified amount subtracted, not null
    Throws:
    DateTimeException - if the subtraction cannot be made
    UnsupportedTemporalTypeException - if the unit is not supported
    ArithmeticException - if numeric overflow occurs
  - minusYears
```
public LocalDateTime minusYears(long years)
```
    Returns a copy of this LocalDateTime with the specified number of years subtracted.
    This method subtracts the specified amount from the years field in three steps:
    1. Subtract the input years from the year field
    2. Check if the resulting date would be invalid
    3. Adjust the day-of-month to the last valid day if necessary
    For example, 2008-02-29 (leap year) minus one year would result in the invalid date 2009-02-29 (standard year). Instead of returning an invalid result, the last valid day of the month, 2009-02-28, is selected instead.
    This instance is immutable and unaffected by this method call.
    Parameters:
    years - the years to subtract, may be negative
    Returns:
    a LocalDateTime based on this date-time with the years subtracted, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - minusMonths
```
public LocalDateTime minusMonths(long months)
```
    Returns a copy of this LocalDateTime with the specified number of months subtracted.
    This method subtracts the specified amount from the months field in three steps:
    1. Subtract the input months from the month-of-year field
    2. Check if the resulting date would be invalid
    3. Adjust the day-of-month to the last valid day if necessary
    For example, 2007-03-31 minus one month would result in the invalid date 2007-04-31. Instead of returning an invalid result, the last valid day of the month, 2007-04-30, is selected instead.
    This instance is immutable and unaffected by this method call.
    Parameters:
    months - the months to subtract, may be negative
    Returns:
    a LocalDateTime based on this date-time with the months subtracted, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - minusWeeks
```
public LocalDateTime minusWeeks(long weeks)
```
    Returns a copy of this LocalDateTime with the specified number of weeks subtracted.
    This method subtracts the specified amount in weeks from the days field decrementing the month and year fields as necessary to ensure the result remains valid. The result is only invalid if the maximum/minimum year is exceeded.
    For example, 2009-01-07 minus one week would result in 2008-12-31.
    This instance is immutable and unaffected by this method call.
    Parameters:
    weeks - the weeks to subtract, may be negative
    Returns:
    a LocalDateTime based on this date-time with the weeks subtracted, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - minusDays
```
public LocalDateTime minusDays(long days)
```
    Returns a copy of this LocalDateTime with the specified number of days subtracted.
    This method subtracts the specified amount from the days field decrementing the month and year fields as necessary to ensure the result remains valid. The result is only invalid if the maximum/minimum year is exceeded.
    For example, 2009-01-01 minus one day would result in 2008-12-31.
    This instance is immutable and unaffected by this method call.
    Parameters:
    days - the days to subtract, may be negative
    Returns:
    a LocalDateTime based on this date-time with the days subtracted, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - minusHours
```
public LocalDateTime minusHours(long hours)
```
    Returns a copy of this LocalDateTime with the specified number of hours subtracted.
    This instance is immutable and unaffected by this method call.
    Parameters:
    hours - the hours to subtract, may be negative
    Returns:
    a LocalDateTime based on this date-time with the hours subtracted, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - minusMinutes
```
public LocalDateTime minusMinutes(long minutes)
```
    Returns a copy of this LocalDateTime with the specified number of minutes subtracted.
    This instance is immutable and unaffected by this method call.
    Parameters:
    minutes - the minutes to subtract, may be negative
    Returns:
    a LocalDateTime based on this date-time with the minutes subtracted, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - minusSeconds
```
public LocalDateTime minusSeconds(long seconds)
```
    Returns a copy of this LocalDateTime with the specified number of seconds subtracted.
    This instance is immutable and unaffected by this method call.
    Parameters:
    seconds - the seconds to subtract, may be negative
    Returns:
    a LocalDateTime based on this date-time with the seconds subtracted, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - minusNanos
```
public LocalDateTime minusNanos(long nanos)
```
    Returns a copy of this LocalDateTime with the specified number of nanoseconds subtracted.
    This instance is immutable and unaffected by this method call.
    Parameters:
    nanos - the nanos to subtract, may be negative
    Returns:
    a LocalDateTime based on this date-time with the nanoseconds subtracted, not null
    Throws:
    DateTimeException - if the result exceeds the supported date range
  - query
```
public <R> R query(TemporalQuery<R> query)
```
    Queries this date-time using the specified query.
    This queries this date-time using the specified query strategy object. The TemporalQuery object defines the logic to be used to obtain the result. Read the documentation of the query to understand what the result of this method will be.
    The result of this method is obtained by invoking the TemporalQuery.queryFrom(TemporalAccessor) method on the specified query passing this as the argument.
    Specified by:
    query in interface ChronoLocalDateTime<LocalDate>
    Specified by:
    query in interface TemporalAccessor
    Type Parameters:
    R - the type of the result
    Parameters:
    query - the query to invoke, not null
    Returns:
    the query result, null may be returned (defined by the query)
    Throws:
    DateTimeException - if unable to query (defined by the query)
    ArithmeticException - if numeric overflow occurs (defined by the query)
  - adjustInto
```
public Temporal adjustInto(Temporal temporal)
```
    Adjusts the specified temporal object to have the same date and time as this object.
    This returns a temporal object of the same observable type as the input with the date and time changed to be the same as this.
    The adjustment is equivalent to using Temporal.with(TemporalField, long) twice, passing ChronoField.EPOCH_DAY and ChronoField.NANO_OF_DAY as the fields.
    In most cases, it is clearer to reverse the calling pattern by using Temporal.with(TemporalAdjuster):
```
   // these two lines are equivalent, but the second approach is recommended   temporal = thisLocalDateTime.adjustInto(temporal);   temporal = temporal.with(thisLocalDateTime); 
```
    This instance is immutable and unaffected by this method call.
    Specified by:
    adjustInto in interface ChronoLocalDateTime<LocalDate>
    Specified by:
    adjustInto in interface TemporalAdjuster
    Parameters:
    temporal - the target object to be adjusted, not null
    Returns:
    the adjusted object, not null
    Throws:
    DateTimeException - if unable to make the adjustment
    ArithmeticException - if numeric overflow occurs
  - until
```
public long until(Temporal endExclusive,                  TemporalUnit unit)
```
    Calculates the amount of time until another date-time in terms of the specified unit.
    This calculates the amount of time between two LocalDateTime objects in terms of a single TemporalUnit. The start and end points are this and the specified date-time. The result will be negative if the end is before the start. The Temporal passed to this method is converted to a LocalDateTime using from(TemporalAccessor). For example, the amount in days between two date-times can be calculated using startDateTime.until(endDateTime, DAYS).
    The calculation returns a whole number, representing the number of complete units between the two date-times. For example, the amount in months between 2012-06-15T00:00 and 2012-08-14T23:59 will only be one month as it is one minute short of two months.
    There are two equivalent ways of using this method. The first is to invoke this method. The second is to use TemporalUnit.between(Temporal, Temporal):
```
   // these two lines are equivalent   amount = start.until(end, MONTHS);   amount = MONTHS.between(start, end); 
```
    The choice should be made based on which makes the code more readable.
    The calculation is implemented in this method for ChronoUnit. The units NANOS, MICROS, MILLIS, SECONDS, MINUTES, HOURS and HALF_DAYS, DAYS, WEEKS, MONTHS, YEARS, DECADES, CENTURIES, MILLENNIA and ERAS are supported. Other ChronoUnit values will throw an exception.
    If the unit is not a ChronoUnit, then the result of this method is obtained by invoking TemporalUnit.between(Temporal, Temporal) passing this as the first argument and the converted input temporal as the second argument.
    This instance is immutable and unaffected by this method call.
    Specified by:
    until in interface Temporal
    Parameters:
    endExclusive - the end date, exclusive, which is converted to a LocalDateTime, not null
    unit - the unit to measure the amount in, not null
    Returns:
    the amount of time between this date-time and the end date-time
    Throws:
    DateTimeException - if the amount cannot be calculated, or the end temporal cannot be converted to a LocalDateTime
    UnsupportedTemporalTypeException - if the unit is not supported
    ArithmeticException - if numeric overflow occurs
  - format
```
public String format(DateTimeFormatter formatter)
```
    Formats this date-time using the specified formatter.
    This date-time will be passed to the formatter to produce a string.
    Specified by:
    format in interface ChronoLocalDateTime<LocalDate>
    Parameters:
    formatter - the formatter to use, not null
    Returns:
    the formatted date-time string, not null
    Throws:
    DateTimeException - if an error occurs during printing
  - atOffset
```
public OffsetDateTime atOffset(ZoneOffset offset)
```
    Combines this date-time with an offset to create an OffsetDateTime.
    This returns an OffsetDateTime formed from this date-time at the specified offset. All possible combinations of date-time and offset are valid.
    Parameters:
    offset - the offset to combine with, not null
    Returns:
    the offset date-time formed from this date-time and the specified offset, not null
  - atZone
```
public ZonedDateTime atZone(ZoneId zone)
```
    Combines this date-time with a time-zone to create a ZonedDateTime.
    This returns a ZonedDateTime formed from this date-time at the specified time-zone. The result will match this date-time as closely as possible. Time-zone rules, such as daylight savings, mean that not every local date-time is valid for the specified zone, thus the local date-time may be adjusted.
    The local date-time is resolved to a single instant on the time-line. This is achieved by finding a valid offset from UTC/Greenwich for the local date-time as defined by the rules of the zone ID.
    In most cases, there is only one valid offset for a local date-time. In the case of an overlap, where clocks are set back, there are two valid offsets. This method uses the earlier offset typically corresponding to "summer".
    In the case of a gap, where clocks jump forward, there is no valid offset. Instead, the local date-time is adjusted to be later by the length of the gap. For a typical one hour daylight savings change, the local date-time will be moved one hour later into the offset typically corresponding to "summer".
    To obtain the later offset during an overlap, call ZonedDateTime.withLaterOffsetAtOverlap() on the result of this method. To throw an exception when there is a gap or overlap, use ZonedDateTime.ofStrict(LocalDateTime, ZoneOffset, ZoneId).
    Specified by:
    atZone in interface ChronoLocalDateTime<LocalDate>
    Parameters:
    zone - the time-zone to use, not null
    Returns:
    the zoned date-time formed from this date-time, not null
  - compareTo
```
public int compareTo(ChronoLocalDateTime<?> other)
```
    Compares this date-time to another date-time.
    The comparison is primarily based on the date-time, from earliest to latest. It is "consistent with equals", as defined by Comparable.
    If all the date-times being compared are instances of LocalDateTime, then the comparison will be entirely based on the date-time. If some dates being compared are in different chronologies, then the chronology is also considered, see ChronoLocalDateTime.compareTo(java.time.chrono.ChronoLocalDateTime<?>).
    Specified by:
    compareTo in interface Comparable<ChronoLocalDateTime<?>>
    Specified by:
    compareTo in interface ChronoLocalDateTime<LocalDate>
    Parameters:
    other - the other date-time to compare to, not null
    Returns:
    the comparator value, negative if less, positive if greater
  - isAfter
```
public boolean isAfter(ChronoLocalDateTime<?> other)
```
    Checks if this date-time is after the specified date-time.
    This checks to see if this date-time represents a point on the local time-line after the other date-time.
```
   LocalDate a = LocalDateTime.of(2012, 6, 30, 12, 00);   LocalDate b = LocalDateTime.of(2012, 7, 1, 12, 00);   a.isAfter(b) == false   a.isAfter(a) == false   b.isAfter(a) == true 
```
    This method only considers the position of the two date-times on the local time-line. It does not take into account the chronology, or calendar system. This is different from the comparison in compareTo(ChronoLocalDateTime), but is the same approach as ChronoLocalDateTime.timeLineOrder().
    Specified by:
    isAfter in interface ChronoLocalDateTime<LocalDate>
    Parameters:
    other - the other date-time to compare to, not null
    Returns:
    true if this date-time is after the specified date-time
  - isBefore
```
public boolean isBefore(ChronoLocalDateTime<?> other)
```
    Checks if this date-time is before the specified date-time.
    This checks to see if this date-time represents a point on the local time-line before the other date-time.
```
   LocalDate a = LocalDateTime.of(2012, 6, 30, 12, 00);   LocalDate b = LocalDateTime.of(2012, 7, 1, 12, 00);   a.isBefore(b) == true   a.isBefore(a) == false   b.isBefore(a) == false 
```
    This method only considers the position of the two date-times on the local time-line. It does not take into account the chronology, or calendar system. This is different from the comparison in compareTo(ChronoLocalDateTime), but is the same approach as ChronoLocalDateTime.timeLineOrder().
    Specified by:
    isBefore in interface ChronoLocalDateTime<LocalDate>
    Parameters:
    other - the other date-time to compare to, not null
    Returns:
    true if this date-time is before the specified date-time
  - isEqual
```
public boolean isEqual(ChronoLocalDateTime<?> other)
```
    Checks if this date-time is equal to the specified date-time.
    This checks to see if this date-time represents the same point on the local time-line as the other date-time.
```
   LocalDate a = LocalDateTime.of(2012, 6, 30, 12, 00);   LocalDate b = LocalDateTime.of(2012, 7, 1, 12, 00);   a.isEqual(b) == false   a.isEqual(a) == true   b.isEqual(a) == false 
```
    This method only considers the position of the two date-times on the local time-line. It does not take into account the chronology, or calendar system. This is different from the comparison in compareTo(ChronoLocalDateTime), but is the same approach as ChronoLocalDateTime.timeLineOrder().
    Specified by:
    isEqual in interface ChronoLocalDateTime<LocalDate>
    Parameters:
    other - the other date-time to compare to, not null
    Returns:
    true if this date-time is equal to the specified date-time
  - equals
```
public boolean equals(Object obj)
```
    Checks if this date-time is equal to another date-time.
    Compares this LocalDateTime with another ensuring that the date-time is the same. Only objects of type LocalDateTime are compared, other types return false.
    Specified by:
    equals in interface ChronoLocalDateTime<LocalDate>
    Overrides:
    equals in class Object
    Parameters:
    obj - the object to check, null returns false
    Returns:
    true if this is equal to the other date-time
    See Also:
    Object.hashCode(), HashMap
  - hashCode
```
public int hashCode()
```
    A hash code for this date-time.
    Specified by:
    hashCode in interface ChronoLocalDateTime<LocalDate>
    Overrides:
    hashCode in class Object
    Returns:
    a suitable hash code
    See Also:
    Object.equals(java.lang.Object), System.identityHashCode(java.lang.Object)
  - toString
```
public String toString()
```
    Outputs this date-time as a String, such as 2007-12-03T10:15:30.
    The output will be one of the following ISO-8601 formats:
    - uuuu-MM-dd'T'HH:mm
    - uuuu-MM-dd'T'HH:mm:ss
    - uuuu-MM-dd'T'HH:mm:ss.SSS
    - uuuu-MM-dd'T'HH:mm:ss.SSSSSS
    - uuuu-MM-dd'T'HH:mm:ss.SSSSSSSSS
    The format used will be the shortest that outputs the full value of the time where the omitted parts are implied to be zero.
    Specified by:
    toString in interface ChronoLocalDateTime<LocalDate>
    Overrides:
    toString in class Object
    Returns:
    a string representation of this date-time, not null

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Class LocalDateTime

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface java.time.chrono.ChronoLocalDateTime

Field Detail

MIN

MAX

Method Detail

now

now

now

of

of

of

of

of

of

of

ofInstant

ofEpochSecond

from

parse

parse

isSupported

isSupported

range

get

getLong

toLocalDate

getYear

getMonthValue

getMonth

getDayOfMonth

getDayOfYear

getDayOfWeek

toLocalTime

getHour

getMinute

getSecond

getNano

with

with

withYear

withMonth

withDayOfMonth

withDayOfYear

withHour

withMinute

withSecond

withNano

truncatedTo

plus

plus

plusYears

plusMonths

plusWeeks

plusDays

plusHours

plusMinutes

plusSeconds

plusNanos

minus

minus

minusYears

minusMonths

minusWeeks

minusDays

minusHours

minusMinutes

minusSeconds

minusNanos

query

adjustInto

until

format

atOffset

atZone

compareTo

isAfter