Here you can find the source of stack2String(Stack stack)
public static String stack2String(Stack stack)
//package com.java2s; /*//from w w w . j av a 2 s . c om Copyright (C) 2011 Vasili Gavrilov 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.Stack; public class Main { public static String stack2String(Stack stack) { Object[] strings = (Object[]) stack.toArray(); StringBuffer sb = new StringBuffer(); for (int i = 0; i < strings.length; i++) sb.append(strings[i]); return sb.toString(); } }