Question

How to add element at first and last position of linked list in Java

Answer 1

import java.util.LinkedList;

public class MyClass {
    public static void main(String args[]) {
        LinkedList<String> ll = new LinkedList<String>();  
           
        ll.add("java");  
        ll.add("c++");  
        ll.add("c");  
        ll.add("php");  
        ll.add("python");  
        System.out.println(ll);  
         
        ll.addFirst("nodjs");  
        System.out.println(ll);  
        
        ll.addLast("c#");  
        System.out.println(ll);  
    }
}
   
   
   
   
/*
run:
   
[java, c++, c, php, python]
[nodjs, java, c++, c, php, python]
[nodjs, java, c++, c, php, python, c#]
   
*/

 

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