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Introduction
The java.time.Instant class models a single instantaneous point on the time-line.
Class declaration
Following is the declaration for java.time.Instant class −
public final class Instant extends Object implements Temporal, TemporalAdjuster, Comparable, Serializable
Field
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Following are the fields for Java.time.Instant class −
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static Instant EPOCH − Constant for the 1970-01-01T00:00:00Z epoch instant.
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static Instant MAX − The maximum supported Instant, ”1000000000-12-31T23:59:59.999999999Z”.
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static Instant MIN − The minimum supported Instant, ”-1000000000-01-01T00:00Z”.
Class methods
Sr.No. | Method & Description |
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1 | Temporal adjustInto(Temporal temporal)
Adjusts the specified temporal object to have this instant. |
2 | OffsetDateTime atOffset(ZoneOffset offset)
Combines this instant with an offset to create an OffsetDateTime. |
3 | ZonedDateTime atZone(ZoneId zone)
Combines this instant with a time-zone to create a ZonedDateTime. |
4 | int compareTo(Instant otherInstant)
Compares this instant to the specified instant. |
5 | boolean equals(Object otherInstant)
Checks if this instant is equal to the specified instant. |
6 | static Instant from(TemporalAccessor temporal)
Obtains an instance of Instant from a temporal object. |
7 | int get(TemporalField field)
Gets the value of the specified field from this instant as an int. |
8 | long getEpochSecond()
Gets the number of seconds from the Java epoch of 1970-01-01T00:00:00Z. |
9 | long getLong(TemporalField field)
Gets the value of the specified field from this instant as a long. |
10 | int getNano()
Gets the number of nanoseconds, later along the time-line, from the start of the second. |
11 | int hashCode()
Returns a hash code for this instant. |
12 | boolean isAfter(Instant otherInstant)
Checks if this instant is after the specified instant. |
13 | boolean isBefore(Instant otherInstant)
Checks if this instant is before the specified instant. |
14 | boolean isSupported(TemporalField field)
Checks if the specified field is supported. |
15 | boolean isSupported(TemporalUnit unit)
Checks if the specified unit is supported. |
16 | Instant minus(long amountToSubtract, TemporalUnit unit)
Returns a copy of this instant with the specified amount subtracted. |
17 | Instant minus(TemporalAmount amountToSubtract)
Returns a copy of this instant with the specified amount subtracted. |
18 | Instant minusMillis(long millisToSubtract)
Returns a copy of this instant with the specified duration in milliseconds subtracted. |
19 | Instant minusNanos(long nanosToSubtract)
Returns a copy of this instant with the specified duration in nanoseconds subtracted. |
20 | Instant minusSeconds(long secondsToSubtract)
Returns a copy of this instant with the specified duration in seconds subtracted. |
21 | static Instant now()
Obtains the current instant from the system clock. |
22 | static Instant now(Clock clock)
Obtains the current instant from the specified clock. |
23 | static Instant ofEpochMilli(long epochMilli)
Obtains an instance of Instant using milliseconds from the epoch of 1970-01-01T00:00:00Z. |
24 | static Instant ofEpochSecond(long epochSecond)
Obtains an instance of Instant using seconds from the epoch of 1970-01-01T00:00:00Z. |
25 | static Instant ofEpochSecond(long epochSecond, long nanoAdjustment)
Obtains an instance of Instant using seconds from the epoch of 1970-01-01T00:00:00Z and nanosecond fraction of second. |
26 | static Instant parse(CharSequence text)
Obtains an instance of Instant from a text string such as 2007-12-03T10:15:30.00Z. |
27 | Instant plus(long amountToAdd, TemporalUnit unit)
Returns a copy of this instant with the specified amount added. |
28 | Instant plus(TemporalAmount amountToAdd)
Returns a copy of this instant with the specified amount added. |
29 | Instant plusMillis(long millisToAdd)
Returns a copy of this instant with the specified duration in milliseconds added. |
30 | Instant plusNanos(long nanosToAdd)
Returns a copy of this instant with the specified duration in nanoseconds added. |
31 | Instant plusSeconds(long secondsToAdd)
Returns a copy of this instant with the specified duration in seconds added. |
32 | Queries this instant using the specified query. |
33 | ValueRange range(TemporalField field)
Gets the range of valid values for the specified field. |
34 | long toEpochMilli()
Converts this instant to the number of milliseconds from the epoch of 1970-01-01T00:00:00Z. |
35 | String toString()
A string representation of this instant using ISO-8601 representation. |
36 | Instant truncatedTo(TemporalUnit unit)
Returns a copy of this Instant truncated to the specified unit. |
37 | long until(Temporal endExclusive, TemporalUnit unit)
Calculates the amount of time until another instant in terms of the specified unit. |
38 | Instant with(TemporalAdjuster adjuster)
Returns an adjusted copy of this instant. |
39 | Instant with(TemporalField field, long newValue)
Returns a copy of this instant with the specified field set to a new value. |
Methods inherited
This class inherits methods from the following classes −
- Java.lang.Object
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