map 应用 遍历

package com.company;

import java.util.*;

/**
 * Created by ttc on 16-10-28.
 */
public class MAP
{
    public static void main(String[] args)
    {
        Map<String,String> map = new HashMap<String,String>();
        map.put("cat","猫");
        map.put("dog","狗");
        map.put("bird","鸟");
        map.put("pig","猪");
        map.put("monkey","猴");

        System.out.println("请输入");
        Scanner sc =new Scanner(System.in);
        String st=sc.nextLine();
        if(map.containsKey(st))//包含
        {
            System.out.println(map.get(st));
        }
        else
        {
            System.out.println("Null");
        }
//        List<String> ls=new ArrayList<String>();
//        ls.add("shdjsk");
//        ls.add("sdasd");
//        for(String strTemp:ls)
//        {
//            System.out.println(strTemp);
//        }
        for(Map.Entry<String,String> me : map.entrySet())
        {
            String str1 =me.getKey();
            String str2 =me.getValue();
            System.out.println(str1+" "+str2);
        }

    }
}