Here you can find the source of toString(String format, long time)
public static String toString(String format, long time)
//package com.java2s; /*// w ww .j a v a2 s .c o m * Copyright (C) 2014 Adam Huang * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.text.SimpleDateFormat; import java.util.TimeZone; public class Main { public static final String SIMPLE_COMPLETE = "yyyy/MM/dd HH:mm:ss.SSS"; public static String toString(long time) { return simpleComplete(time); } public static String toString(String format, long time) { return toString(TimeZone.getDefault(), format, time); } public static String toString(String timezone, String format, long time) { return toString(TimeZone.getTimeZone(timezone), format, time); } public static String toString(TimeZone timezone, String format, long time) { SimpleDateFormat dateFormat = new SimpleDateFormat(format); dateFormat.setTimeZone(timezone); return dateFormat.format(time); } public static String simpleComplete(long time) { return toString(TimeZone.getDefault(), SIMPLE_COMPLETE, time); } }