package onlyfun.caterpillar;
import java.util.*;
public class TreeSetDemo {
public static void main(String[] args) {
Set set = new TreeSet();
set.add("justin");
set.add("caterpillar");
set.add("momor");
// 使用 enhanced for loop 顯示物件
for(String name : set) {
System.out.print(name + " ");
}
System.out.println();
}
}