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Java LinkedList boolean add(Object o) method with Example

Java LinkedList boolean add(Object o) method: Here, we are going to learn about the boolean add(Object o) method of LinkedList class with its syntax and example.
Submitted by Preeti Jain, on June 15, 2019

LinkedList boolean add(Object o) method

• This method is available in package java.util.Collection and here, Collection is an interface.
• This method is declared in interface Collection and it is implemented by the class LinkedList.
• This method is used to append a specified object at the last or ending stage of the linked list.

Syntax:

    boolean add(Object o){
    }

Parameter(s):

We can pass only one object as a parameter in the method and that object will append at the ending of the linked list.

Return value:

The return type of this method is boolean that means this method returns true after execution.

Java program to demonstrate example of LinkedList add(Object o) method

import java.util.LinkedList;

public class LinkList{
	public static void main(String[] args){
		LinkedList  list = new LinkedList();
		// use add() method to add few elements in the list 
		list.add(10); 
		list.add(20); 
		list.add(30); 
		list.add(40); 
		list.add(50); 

		//  Current list Output
		System.out.println("The Current list is:" + list); 

		// Add new elements in the list 
		list.add(60); 

		//  New list Output 
		System.out.println("The new List is:" + list); 
	}
}

Output

D:\Programs>javac LinkList.java

D:\Programs>java LinkList
The Current list is:[10, 20, 30, 40, 50]
The new List is:[10, 20, 30, 40, 50,60]