LinkList Rotate AntiClockWise

class LinkListRotateAntiClock {
    Node head;
    class Node{
        int data;
        Node next;
        Node(int data){
            this.data=data;
            this.next=null;
        }

        @Override
        public String toString() {
            return "{"+this.data+"}";
        }
    }

    public void push(int data){
        Node node=new Node(data);
        if(head==null){
            head=node;
        }else{
            Node current=head;
            while(current.next!=null){
                current=current.next;
            }
            current.next=node;
        }
    }
    public Node rotateAntiClockWise(int k, Node node){
        if(node ==null || k<0){
             return node;
        }
        int sizeOfLinkList=getSizeOfList(node);
        k=k%sizeOfLinkList;
        if(k==0){
            return node;
        }
        Node tmp=node;
        int i=1;
        while(i < k){
            tmp=tmp.next;
          i++;
        }
        Node temp=tmp.next;
        Node head=temp;
        tmp.next=null;

        while(temp.next!=null){
            temp=temp.next;
        }
        temp.next=node;
        return head;

    }

    public int getSizeOfList(Node node){
            if(node ==null){
                return 0;
            }
            return getSizeOfList(node.next)+1;
    }

    public void display(Node head){

        if(head==null){
           return;
        }else{
            Node current=head;
            while(current!=null){
                System.out.print(current);
                current=current.next;
            }
            System.out.println("********");

        }
    }
}
 public class LinkListAntiClockwise {
     public static void main(String[] args) {
        LinkListRotateAntiClock linkListRotateAntiClock =new LinkListRotateAntiClock();
        linkListRotateAntiClock.push(1);
        linkListRotateAntiClock.push(2);
        linkListRotateAntiClock.push(3);
        linkListRotateAntiClock.push(4);
        linkListRotateAntiClock.push(5);
        linkListRotateAntiClock.push(5);


      linkListRotateAntiClock.display(linkListRotateAntiClock.head);
      LinkListRotateAntiClock.Node node = linkListRotateAntiClock.rotateAntiClockWise(2, linkListRotateAntiClock.head);
      linkListRotateAntiClock.display(node);
    }
}