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LinkedList removeFirst() Method in Java
  • Last Updated : 10 Dec, 2018

The Java.util.LinkedList.removeFirst() method is used to remove the first element from a linked list. This function also returns the first element after removing it.

Syntax:

LinkedList.removeFirst();

Parameters: This function does not take any parameters.

Return Value: The method returns the first element or the element present at the head of the list.

Below program illustrate the Java.util.LinkedList.removeFirst() method:




// Java code to illustrate removeFirst() method
import java.io.*;
import java.util.LinkedList;
  
public class LinkedListDemo {
    public static void main(String args[])
    {
        // Creating an empty LinkedList
        LinkedList<String> list = new LinkedList<String>();
  
        // Using add() method to add elements in the list
        list.add("Geeks");
        list.add("for");
        list.add("Geeks");
        list.add("10");
        list.add("20");
  
        // Displaying the list
        System.out.println("LinkedList:" + list);
  
        // Remove the head using removeFirst() method
        System.out.println("The first element is: " + list.removeFirst());
  
        // Displaying the final list
        System.out.println("Final LinkedList:" + list);
    }
}
Output:
LinkedList:[Geeks, for, Geeks, 10, 20]
The first element is: Geeks
Final LinkedList:[for, Geeks, 10, 20]

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