Here you can find the source of toMinuteString(long time)
public static String toMinuteString(long time)
//package com.java2s; /**/* w ww . java 2s.com*/ * This file is part of JEMMA - http://jemma.energy-home.org * (C) Copyright 2013 Telecom Italia (http://www.telecomitalia.it) * * JEMMA is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License (LGPL) version 3 * or later as published by the Free Software Foundation, which accompanies * this distribution and is available at http://www.gnu.org/licenses/lgpl.html * * JEMMA is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License (LGPL) for more details. * */ import java.text.SimpleDateFormat; import java.util.Calendar; public class Main { public static final int MINUTES_IN_ONE_TIME_SLOT = 1; private static final SimpleDateFormat minutesFormatter = new SimpleDateFormat("EEE,kk:mm"); public static String toMinuteString(long time) { return minutesFormatter.format(time); } public static String toMinuteString(Calendar c) { return minutesFormatter.format(c.getTimeInMillis()); } public static String toMinuteString(int slot) { return minutesFormatter.format(getMillisOf(slot)); } public static long getMillisOf(int slot) { return getCalendarOf(slot).getTimeInMillis(); } public static Calendar getCalendarOf(int slot) { Calendar c = Calendar.getInstance(); int minutes = slot * MINUTES_IN_ONE_TIME_SLOT; c.set(Calendar.HOUR_OF_DAY, minutes / 60); c.set(Calendar.MINUTE, minutes % 60); return c; } }