Java Program to Get and Remove the Lowest Element From the TreeSet Collection

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Java program to get and remove the lowest element from the TreeSet collection

// Java program to get and remove the lowest element 
// from the TreeSet collection

import java.io.*;
import java.util.*;

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

    tree.add(30);
    tree.add(20);
    tree.add(25);
    tree.add(10);

    System.out.println("TreeSet: " + tree);

    int item = tree.pollFirst();

    System.out.println("Removed item is: " + item);
    System.out.println("TreeSet: " + tree);
  }
}

Output

TreeSet: [10, 20, 25, 30]
Removed item is: 10
TreeSet: [20, 25, 30]

Ranjith

Hi, I'm Manoj a full-time Blogger, YouTuber, Affiliate Marketer, & founder of Coding Diksha. Here, I post about programming to help developers.

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