Java tutorial
//package com.java2s; import java.util.Calendar; public class Main { /** * Add the given amount of minutes to the given calendar. The changes are reflected in the given * calendar. * @param calendar The calendar to add the given amount of minutes to. * @param minutes The amount of minutes to be added to the given calendar. Negative values are * also allowed, it will just go back in time. */ public static void addMinutes(Calendar calendar, int minutes) { calendar.add(Calendar.MINUTE, minutes); } }