Main.java Source code

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> treeadd = new TreeSet<Integer>();

        treeadd.add(1);
        treeadd.add(3);
        treeadd.add(17);
        treeadd.add(2);
        treeadd.add(20);

        // displaying the greatest element < 17
        System.out.println("Greatest element less than 17 is: " + treeadd.lower(17));
    }
}