Java Date compareTo() Method with Examples

by Online Tutorials Library July 22, 2022

Java Date compareTo() Method

The compareTo() method of Java Date class compares two dates and sort them for order. This method is specified by compareTo in interface Comparable<Date>.

Syntax:

Parameters

anotherDate – a date to be compared

Return

It returns the value 0 if the argument Date is equal to this Date.
It returns a value less than 0 if this Date is before the Date argument.
It returns a value greater than 0 if this Date is after the Date argument.

Exception

NullPointerException will be thrown if anotherDate is null.

Example 1

  import java.util.Date;    public class JavaDateCompareToExample1 {    public static void main(String[] args) {  Date d=new Date(1997,3,10);  Date d1=new Date(2018,9,21);  int comparison=d.compareTo(d1);  System.out.println(“Your comparison value is : “+comparison);  }  }  

Test it Now

Output:

Your comparison value is : -1

Example 2

  import java.util.Date;    public class JavaDateCompareToExample2 {    public static void main(String[] args) {  Date d=new Date(1997,3,10);  Date d1=new Date(1997,3,10);  int comparison=d.compareTo(d1);  System.out.println(“Your comparison value is : “+comparison);  }  }  

Test it Now

Output:

Your comparision value is : 0

Example 3

  import java.util.Date;    public class JavaDateCompareToExample3 {    public static void main(String[] args) {  Date d=new Date(2018,9,21);  Date d1=new Date(1997,3,10);  int comparison=d.compareTo(d1);  System.out.println(“Your comparison value is : “+comparison);  }  }  

Test it Now

Output:

Your comparison value is : 1

Next Topicjava.util.Date

Java Date compareTo() Method with Examples

Java Date compareTo() Method

Syntax:

Parameters

Return

Exception

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Example 2

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