How to Add Or Subtract Dates in Java

Here we will write an example to add or substract days in current date and time values with java Calendar class.

Source Code

package com.beginner.examples;

import java.util.Calendar;

public class ASDaysExample {

    public static void main(String[] args){
    	//get calendar
    	Calendar now = Calendar.getInstance();
    	System.out.println(now.get(Calendar.DATE));
		//days add 1
    	now.add(Calendar.DATE, 1);
		System.out.println(now.get(Calendar.DATE));
		//days subtract 1
		now.add(Calendar.DATE, -1);
		System.out.println(now.get(Calendar.DATE));
	}
}

Output:

30
31
30

References

Imported packages in Java documentation:

Calendar