第十五周

package asd;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
public class qwe {
    public static void main(String[] args) {
            Map<String,String> map=new HashMap();
            map.put("欧欧","Q仔");
            map.put("亚亚","Q妹");
            map.put("美美","Q妹");
            map.put("菲菲","Q妹");
            System.out.println("使用Iterator遍历,企鹅的昵称和品种分别是:");
            Set<String> keyset = map.keySet();
            Iterator<String> iter = keyset.iterator();
            while(iter.hasNext()){
                String key=iter.next();
                String value=map.get(key);
                System.out.println(key+"\t"+value);
            }
            System.out.println("使用foreach遍历,所有企鹅的昵称和品种分别是:");
            for (String key : keyset) {
                String sex = map.get(key);
                System.out.println(key + "\t" + sex);
            }
        }
    }

package dfishf;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

public class homework {

    public static void main(String[] args) {
        Map<String, String> map = new HashMap();
        map.put("欧欧", "Q仔");
        map.put("亚亚", "Q妹");
        map.put("美美", "Q妹");
        map.put("菲菲", "Q妹");
        System.out.println("使用Iterator遍历,企鹅的昵称和品种分别是:");
        Set<String> keyset = map.keySet();
        Iterator<String> iter = keyset.iterator();
        while (iter.hasNext()) {
            String key = iter.next();
            String value = map.get(key);
            System.out.println(key + "\t" + value);
        }
        System.out.println("使用foreach遍历,所有企鹅的昵称和品种分别是:");
        for (String key : keyset) {
            String sex = map.get(key);
            System.out.println(key + "\t" + sex);
        }
    }
}