TreeSet 예제

package edu.exam13.ex05treeset;

import java.util.Iterator;
import java.util.TreeSet;

public class UseTreeSet {
	public static void main(String[] args) {
		TreeSet<Integer> sTree = new TreeSet<Integer>();
		sTree.add(1);
		sTree.add(2);
		sTree.add(5);
		sTree.add(2);
		sTree.add(3);
		
		System.out.println("저장개수 : " + sTree.size());
		
		Iterator<Integer> itr = sTree.iterator();
		while(itr.hasNext())
			System.out.println(itr.next());
	}
}