treesetdemo.java

来自「这是清华大学编写的JAVA教材中所有题目的源代码！」· Java 代码 · 共 29 行

import java.util.*;

class TreeSetDemo
{
	public static void main(String[] args)
	{
		HashSet hs=new HashSet();
		
		hs.add(new Integer(1));
		hs.add(new Integer(2));
		hs.add(new Integer(3));
		hs.add(new Integer(4));
		hs.add(new Integer(5));
		System.out.println(hs);
		System.out.println();

		

		TreeSet ts=new TreeSet();
		
		ts.add(new Integer(2));
		ts.add(new Integer(4));
		ts.add(new Integer(1));
		ts.add(new Integer(3));
		ts.add(new Integer(5));
		System.out.println(ts);
		System.out.println();
	}
}