Java Instant isBefore() method

The isBefore() method of Java Instant class is used to check if the instant is before the specified instant.

Syntax

Parameters

otherInstant- The other instant to compare to, not null.

Return

True, if this instant is after the specified instant.

Exceptions

NullPointerException - If otherInstant is null.

Example 1

import java.time.Instant;
public class InstantIsBeforeExample1 {
    public static void main(String... args) {
        Instant i = Instant.now();
        System.out.println(i);
        Instant i2 = Instant.parse("2016-12-03T10:15:30.00Z");
        System.out.println(i2);
        boolean b = i.isBefore(i2);
        System.out.println(b);
    }
}

Output:

The output will be like this.

Instant 1: 2017-02-03T10:37:30Z
Instant 2: 2017-03-03T10:37:30Z
Instant 1 is not after as Instant 2.

Example 2

import java.time.Instant;
public class InstantIsBeforeExample2 {
    public static void main(String... args) {
        Instant i = Instant.now();
        System.out.println(i);
        Instant i2 = Instant.parse("2016-12-03T10:15:30.00Z");
        System.out.println(i2);
        boolean b = i.isBefore(i2);
        System.out.println(b);
    }
}

Output:

The output will be like this.

2017-05-01T20:57:49.381Z
2016-12-03T10:15:30Z
false

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Java Instant isBefore() method

Syntax

Parameters

Return

Exceptions

Example 1

Example 2

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Java Instant isBefore() method

Syntax