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    Inserting a new Node at the end of a LinkeList in Java

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    Java program to insert a new node at the end of the singly linked list

    In this example, we will create a java program of singly linked list and add a new node at the end of the list.

    Program:
    
public class Main {  

class Node{  
int data;  
Node next;  

public Node(int data) {  
this.data = data;  
this.next = null;  
}  
}  

public Node head = null;  
public Node tail = null;  

public void addAtEnd(int data) {  
Node newNode = new Node(data);  

if(head == null) {  
head = newNode;  
tail = newNode;  
}  
else {  
tail.next = newNode;  
tail = newNode;  
}  
}  

public void display() {  
Node current = head;  
if(head == null) {  
System.out.println("List is empty");  
return;  
}  
System.out.println("Adding nodes to the end of the list: ");  
while(current != null) {  
System.out.print(current.data + " ");  
current = current.next;  
}  
System.out.println();  
}  

public static void main(String[] args) {  

Main sList = new Main();  

sList.addAtEnd(1);  
sList.display();  

sList.addAtEnd(2);  
sList.display();  

sList.addAtEnd(3);  
sList.display();  

sList.addAtEnd(4);  
sList.display();  
}  
}
    Output:-
    Adding nodes to the end of the list:
    1
    Adding nodes to the end of the list:
    1 2
    Adding nodes to the end of the list:
    1 2 3
    Adding nodes to the end of the list:
    1 2 3 4
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