package test;
import java.util.HashMap;
import java.util.Map.Entry;
public class ListAndList {
public static void main(String[] args) {
// 创建一个 HashMap
HashMap<Integer, String> sites = new HashMap<>();
// 往 HashMap 添加一些元素
sites.put(1, "Google");
sites.put(2, "Runoob");
sites.put(3, "Taobao");
System.out.println("sites HashMap: " + sites);
// 返回映射关系中 set view
System.out.println("Set View: " + sites.entrySet());
for(Entry<Integer, String> map :sites.entrySet()) {
System.out.println("map===="+map);
System.out.println("获取map中的值value===="+map.getValue());
}
}
}