Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

public class Main {
    public static void main(String[] args) {

        TreeSet<Integer> treeadd = new TreeSet<Integer>();

        treeadd.add(12);
        treeadd.add(13);
        treeadd.add(14);
        treeadd.add(15);

        // check existence of 15  
        System.out.println("Checking existence of 15 ");
        System.out.println("Is 15 there in the set: " + treeadd.contains(15));
    }
}