import java.util.HashMap;

​

public class Main {

    public static void main(String[] args) {

​

        HashMap<Integer, String> sites = new HashMap<>();

        sites.put(1, "Google");

        sites.put(2, "Jiyik");

        sites.put(3, "Taobao");

        System.out.println("HashMap: " + sites);

​

        // 复制 sites

        HashMap<Integer, String> cloneSites = (HashMap<Integer, String>)sites.clone();

        System.out.println("Cloned HashMap: " + cloneSites);

    }

}