Java tutorial
//package com.java2s; /* * Copyright (C) 2011,2012 Southern Storm Software, Pty Ltd. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.util.Calendar; public class Main { /** * Format a time value, including the AM/PM indicator. * * @param time the time to format * @return the formatted time */ public static String formatTime(Calendar time) { // TODO: 24 hour clock support int hour = time.get(Calendar.HOUR_OF_DAY); int minute = time.get(Calendar.MINUTE); String ampm = (hour < 12 ? " AM" : " PM"); if (hour == 0) hour = 12; else if (hour > 12) hour -= 12; if (minute < 10) return hour + ":0" + minute + ampm; else return hour + ":" + minute + ampm; } /** * Format a time value, including the AM/PM indicator. * * @param time the time to format, as the number of seconds since midnight * @return the formatted time */ public static String formatTime(int time) { // TODO: 24 hour clock support int hour = time / (60 * 60); int minute = (time / 60) % 60; String ampm = (hour < 12 ? " AM" : " PM"); if (hour == 0) hour = 12; else if (hour > 12) hour -= 12; if (minute < 10) return hour + ":0" + minute + ampm; else return hour + ":" + minute + ampm; } }