room.java

来自「简单的在线聊天系统 jsp javabean entity」· Java 代码 · 共 20 行

package com.chatroom.bean;

import java.util.HashMap;
import java.util.Map;

public class Room {
	public static Map allUsers ;
	private static Room room;
	private Room(){
		allUsers=new HashMap();
	}
	
	public static Room getRoom(){
		if(room==null){
			room=new Room();
		}
		return room;
	}
}