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> tree = new TreeSet<Integer>();

        tree.add(12);
        tree.add(13);
        tree.add(14);
        tree.add(15);
        tree.add(16);
        tree.add(17);

        // getting values less than 15
        TreeSet<Integer> treeheadset = (TreeSet) tree.headSet(15);

        Iterator<Integer> iterator = treeheadset.iterator();

        while (iterator.hasNext()) {
            System.out.println(iterator.next());
        }
    }
}