Linked List Java Code

 class Node{

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

public class LinkedList {
    Node head;
    public void append(int data){
        if(head == null){
            head = new Node(data);
            return;
        }
        Node current = head;
        while(current.next!=null){
            current= current.next;
        }

        current.next = new Node(data);
    }

    public void prepend(int data){
       Node newHead = new Node(data);
       newHead.next= head;
       head= newHead;
    }

    public void deleteWithValue(int data){
        if(head==null) return;
        if(head.data == data){
            head = head.next;
            return;
        }
        Node current = head;
        while(current.next!=null){
            if(current.next.data == data){
                current.next = current.next.next;
                return;
            }
            current = current.next;
        }

    }

    public void display(){
        Node current = head;
        while(current!=null){
            System.out.println(current.data);
            current =current.next;
        }
    }

    public static void main(String[] args) {
        LinkedList linkedList =new LinkedList();
        linkedList.append(12);
        linkedList.append(13);
        linkedList.append(14);
        linkedList.append(15);

        linkedList.deleteWithValue(14);
        linkedList.display();

    }
}