hashsettest.java

本压缩文件中含有线程的控制

package connections;

import java.util.*;

public class HashSetTest {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		HashSet<Person> hs = new HashSet<Person>();
		
		Person person = new Person(1,"one");
		hs.add(person);
		hs.add(new Person(2,"two"));
		hs.add(new Person(3,"three"));
		hs.add(new Person(1,"one"));
		
		Iterator<Person> it = hs.iterator();
		while(it.hasNext()){
			System.out.println(it.next());
		}
		

	}

}