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Java program to create a Queue using LinkedList

Java example to create a Queue using LinkedList.
Submitted by Nidhi, on April 26, 2022

Problem Solution:

In this program, we will create a queue using the Queue interface with the help of Linked List collection and store elements in a FIFO (First In First Out) manner.

Program/Source Code:

The source code to create a Queue using LinkedList is given below. The given program is compiled and executed successfully.

// Java program to create a Queue 
// using LinkedList

import java.util.LinkedList;
import java.util.Queue;

public class Main {
  public static void main(String[] args) {
    Queue < Integer > queue = new LinkedList < > ();

    queue.add(10);
    queue.add(20);
    queue.add(30);
    queue.add(40);
    queue.add(50);

    System.out.println("Queue elements: \n" + queue);
  }
}

Output:

Queue elements: 
[10, 20, 30, 40, 50]

Explanation:

In the above program, we imported the "java.util.LinkedList" and "java.util.Queue" packages to use the Queue Interface and LinkedList collection respectively. Here, we created a class Main. The Main class contains a main() method. The main() method is the entry point for the program. In the main() method, we created a queue using the LinkedList collection and added items to it, and printed them.

Java Queue Interface Programs »


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