Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

import java.util.TreeSet;

public class Main {
    public static void main(String[] args) {
        TreeSet<Integer> tSet = new TreeSet<Integer>();

        tSet.add(new Integer("1"));
        tSet.add(new Integer("2"));
        tSet.add(new Integer("3"));

        System.out.println("TreeSet before removal : " + tSet);
        tSet.clear();
        System.out.println("TreeSet after removal : " + tSet);
        System.out.println("Is TreeSet empty ? " + tSet.isEmpty());
    }
}