Print circular linked list

 package linkedlist_questions;

public class circularLinkedList {
    public static class node {
        node prev;
        int data;
        node next;

        node(int data) {
            this.data = data;
        }
    }
    public static void printCll(node head){
        System.out.print(head.data+" ");
        head=head.next;
        node temp=head;
        while (temp.next!=head){
            System.out.print(temp.data+" ");
            temp=temp.next;
        }
        System.out.println();
    }
    public static void main(String[] args) {
        node a=new node(4);
        node b=new node(6);
        node c=new node(8);
        node d=new node(12);
        a.prev=d;
        a.next=b;
        b.prev=a;
        b.next=c;
        c.prev=b;
        c.next=d;
        d.prev=c;
        d.next=a;
        printCll(a);
    }
}