SinglyLinkedList.java

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package singlylinkedlist;
/** @author Ananya Sajwan*/
public class SinglyLinkedList {       
    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 addNode(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("Nodes of singly linked list: ");    
        while(current != null) {      
            System.out.print(current.data + " -> ");    
            current = current.next;    
        }    
        System.out.println();    
    }    
        
    public static void main(String[] args) {    
            
        SinglyLinkedList sList = new SinglyLinkedList();    
  
        sList.addNode(33);    
        sList.addNode(2);    
        sList.addNode(24);    
        sList.addNode(99);    
        sList.addNode(8);
        sList.addNode(5);
        sList.addNode(13);
        sList.addNode(7);
        
        sList.display();    
    }    
}