利用数据结构中的栈实现单词的反转

package com.javaeye.liubey.algorithm.stack;

import javax.swing.JOptionPane;

import org.lx.print.P;

/**   
 * 项目名称：algorithm      
 * 包名称：com.javaeye.liubey.algorithm.stack  
 * 类名称：ReverseWord.java 
 * 描述：反转输入的单词
 * 创建人：Eason.Lau   
 * 创建时间：2010-7-16 下午03:20:46
 * Copyright http://liubey.iteye.com/    
 * @version    
 *    
 */
public class ReverseWord {
	public static void main(String[] args) {
		String input;
		String output = "";
		StackChar stackChar;
		input = JOptionPane.showInputDialog("请输入需要转换的单词!");
		if(input !=null && !input.equalsIgnoreCase("")) {
			stackChar = new StackChar(input.length());
			//把单词push进栈中
			for(int i=0;i<=input.length()-1;i++) {
				char temp = input.charAt(i);
				stackChar.push(temp);
			}
			//把单词取出
			while(!stackChar.isEmpty()) {
				output = output + stackChar.pop();
			}
		}
		P.printlnByMyself("输入单词为", input);
		P.printlnByMyself("单词反转为", output);
	}
}

class StackChar {
	private int maxSize;//最大容量
	private char[] arrayStack;
	private int top;//栈顶
	
	public StackChar(int n) {
		maxSize = n;
		arrayStack = new char[maxSize];
		top = -1;
	}
	
	//入栈
	public void push(char j) {
		arrayStack[++top] = j;
	}
	
	//出栈
	public char pop() {
		return arrayStack[top--];
	}
	
	//查看
	public char view() {
		return arrayStack[top];
	}
	
	//栈是否是空
	public boolean isEmpty() {
		return (top == -1);
	}
}