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Java program to retrieve and remove the tail/last item from the LinkedList

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mahmoud2506
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2022-05-07
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Java program to retrieve and remove the tail/last item from the LinkedList

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mahmoud2506
2022-05-07
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Program/Source Code:

The source code to get the last item from the LinkedList using the pollLast() method is given below. The given program is compiled and executed successfully.

// Java program to retrieve and remove the tail/last item 
// from the LinkedList

import java.util.LinkedList;

public class Main {
  public static void main(String[] args) {
    LinkedList list = new LinkedList();

    list.add(1);
    list.add("TWO");
    list.add(3);
    list.add("FOUR");
    list.add(true);

    System.out.println("List Items: \n" + list);
    System.out.println("Tail Item: " + list.pollLast());
    System.out.println("List Items: \n" + list);
    System.out.println("Tail Item: " + list.pollLast());
    System.out.println("List Items: \n" + list);
  }
}

Output:

List Items: 
[1, TWO, 3, FOUR, true]
Tail Item: true
List Items: 
[1, TWO, 3, FOUR]
Tail Item: FOUR
List Items: 
[1, TWO, 3]

Explanation:

In the above program, we imported the "java.util.LinkedList" package to use the LinkedList collection class. 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 an object of the LinkedList collection class to store different types of elements. Then we get and removed the last element from the linked list using pollLast() methods of LinkedList and printed the result.

 

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