获取存储在TreeSet中的最低值和最高值

import java.util.TreeSet;

 /** 时代Java - N o w  J a v a . c o m 提供 **/

public class Main {

 

  public static void main(String[] args) {

    TreeSet tSet = new TreeSet();

    tSet.add("1");

    tSet.add("3");

    tSet.add("2");

    tSet.add("5");

    tSet.add("4");

   

    System.out.println("Lowest value Stored in Java TreeSet is : " + tSet.first());

   

    System.out.println("Highest value Stored in Java TreeSet is : " + tSet.last());
    /**
    来 自 N o w J a v a . c o m - 时代Java
    **/

 

  }

}