There have been several problems with the existing date and time related classes in java, some of them are: Why do we need new Java Date Time API?īefore we start looking at the Java 8 Date Time API, let’s see why do we need a new API for this. Java was missing a consistent approach for Date and Time from start and Java 8 Date Time API is a welcome addition to the core Java APIs. (uncatedTo(ChronoUnit.NANOS)) // T03:30:45.123456789Z //uncatedTo(ChronoUnit.YEARS) // UnsupportedTemporalTypeException //uncatedTo(ChronoUnit.Date Time API is one of the biggest features of Java 8 release. Instant (Java SE 17 & JDK 17) final var instant = Instant.ofEpochSecond( 949548645L, 123456789L) Returns a copy of this Instant truncated to the specified unit. (instant.isBefore(instant4)) // true final var instant = Instant.ofEpochSecond( 0, 0) Instant (Java SE 17 & JDK 17) final var instant = Instant.ofEpochSecond( 946684800L) (instant.isAfter(instant4)) // falseĬhecks if this instant is before the specified instant. (instant) // final var instant2 = Instant.ofEpochSecond( 0, -1) įinal var instant3 = Instant.ofEpochSecond( 0, 0) įinal var instant4 = Instant.ofEpochSecond( 0, 1) (instant.isAfter(instant4)) // false final var instant = Instant.ofEpochSecond( 0, 0) (instant) // final var instant2 = Instant.ofEpochSecond( 946684800L - 1) įinal var instant3 = Instant.ofEpochSecond( 946684800L) įinal var instant4 = Instant.ofEpochSecond( 946684800L + 1) ![]() ((Instant.MAX)) // falseĬhecks if this instant is after the specified instant. (instant1.equals(instant2)) // false final var instant1 = Instant.ofEpochMilli( 0L) (instant1.equals(instant2)) // true final var instant1 = Instant.ofEpochSecond( 946684800L) Instant (Java SE 17 & JDK 17) final var instant1 = Instant.ofEpochSecond( 946684800L) ![]() ((Instant.MAX)) // -1Ĭhecks if this instant is equal to the specified instant. (pareTo(instant2)) // -1 final var instant1 = Instant.ofEpochMilli( 0L) įinal var instant2 = Instant.ofEpochMilli( -1L) (pareTo(instant2)) // 0 final var instant1 = Instant.ofEpochSecond( 946684800L) įinal var instant2 = Instant.ofEpochSecond( 946684801L) Instant (Java SE 17 & JDK 17) final var instant1 = Instant.ofEpochSecond( 946684800L) įinal var instant2 = Instant.ofEpochSecond( 946684800L) Instant with (TemporalField field, long newValue)Ĭompares this instant to the specified instant.Instant with (TemporalAdjuster adjuster).long until (Temporal endExclusive, TemporalUnit unit).Instant truncatedTo (TemporalUnit unit).Instant plusSeconds (long secondsToAdd).Instant plus (TemporalAmount amountToAdd).Instant plus (long amountToAdd, TemporalUnit unit).static Instant parse (CharSequence text).static Instant ofEpochSecond (long epochSecond, long nanoAdjustment). ![]() static Instant ofEpochSecond (long epochSecond).static Instant ofEpochMilli (long epochMilli).Instant minusSeconds (long secondsToSubtract).Instant minusNanos (long nanosToSubtract).Instant minusMillis (long millisToSubtract).Instant minus (TemporalAmount amountToSubtract).Instant minus (long amountToSubtract, TemporalUnit unit).boolean isSupported (TemporalUnit unit).boolean isSupported (TemporalField field).boolean isBefore (Instant otherInstant).static Instant from (TemporalAccessor temporal).OffsetDateTime atOffset (ZoneOffset offset).Temporal adjustInto (Temporal temporal).
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