Drievn的博客

/**  * @author guwh  * @version 创建时间：2011-11-3 上午10:49:36  * 类说明  */    package com.jabberchina.test;      import java.util.ArrayList;   import java.util.Collections;   import java.util.Compa

//采用Iterator遍历HashMap Iterator it = hashMap.keySet().iterator(); while(it.hasNext()) { String key = (String)it.next(); System.out.println("key:" + key);

package com.oj; import java.util.ArrayList; import java.util.Scanner; import java.util.Stack; public class Main { public static void main(String[] args) { Scanner scan=new Scanner(System.in); St

import java.util.Scanner; public class Main{ public static void main(String[] args) { Scanner scanner = new Scanner(System.in); String a = scanner.nextLine();