Java Date before() Method

Last Updated : 17 Mar 2025

The before() method of Java Date class tests whether the date is before the specified date or not.

Syntax:

Parameters

when - a date

Return

It returns a Boolean value. It will return true if this date is before the specified date otherwise false.

Exception

NullPointerException will be thrown if when is null.

Example 1

Output:

Date 'd' is before Date 'd2' : true

Example 2

Output:

Date 'd' is before Date 'd2' : false