Add minutes to current time (or) date - Java

import java.util.Calendar;
import java.util.Date;

public class Sample {
    public static void main(String[] args) {
        final long ONE_MINUTE_IN_MILLIS=60000;//millisecs
        Calendar date = Calendar.getInstance();
        long t= date.getTimeInMillis();
        Date afterAddingTenMins=new Date(t + (10 * ONE_MINUTE_IN_MILLIS));

        System.out.println("before add:"+new Date());
        System.out.println("after add:"+afterAddingTenMins);
    }
}

output:
----------

before add:Fri Sep 02 12:43:02 EST 2016
after add:Fri Sep 02 12:53:02 EST 2016