Java笔记总结（五十）---HashSet遍历

package MapTest;

import java.util.HashSet;
import java.util.Iterator;

public class Test {
    public static void main(String[] args) {

        HashSet hashSet = new HashSet();
        hashSet.add("张三");
        hashSet.add("李四");
        hashSet.add("王五");

        for (String s : hashSet) {
            System.out.println(s);
        }

        Iterator iterator = hashSet.iterator();
        while (iterator.hasNext()) {
            Object next = iterator.next();
            System.out.println(next);
        }

    }

}