爱玺玺

爱玺玺的生活日记本。wx:lb87626

java hashmap遍历

package com.qserver.modle;


import java.util.HashMap;

import java.util.Iterator;


public class LogSerConThread {

     public static HashMap  hmLogTh=new HashMap<String, ServerConThread>();

     public static void addConThread(String userId,ServerConThread serConTh){

    hmLogTh.put(userId, serConTh);

     }

     public static ServerConThread getConThread(String userId){

    return (ServerConThread)hmLogTh.get(userId);

     }

     //返回所有在线用户

     public static void returnOnlineFriendsId(){

    Iterator it=hmLogTh.keySet().iterator();

    String res="";

    while(it.hasNext()){

    res+=it.next().toString()+" ";

    }

     }

}


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