contoh program java SINGEL LINKED LIST

package linkd;

/**
 *
 * @author IZAN
 */
public class SingelLinkedList {
    private int data;
    private SingelLinkedList next;
    public SingelLinkedList(){
        data = 0;
        next = null;
    }
    public SingelLinkedList(int value){
        data = value;
        next = null;
    }
    public SingelLinkedList InsertNext(int value){
        SingelLinkedList node = new SingelLinkedList(value);
        if(this.next == null){
            node.next = null;
            this.next = node;
        }
        else{
            SingelLinkedList temp = this.next;
            node.next = temp;
            this.next = node;
        }
        return node;
    }
    public int DeleteNext(){
        if(next == null)
            return 0;
        SingelLinkedList node = this.next;
        this.next = this.next.next;
        node = null;
        return 1;
    }
    public void Traverse(SingelLinkedList node){
        if(node == null)
            node = this;
        System.out.println("Traversing in Forward Direction");
        while(node != null)
        {
            System.out.println(node.data);
            node = node.next;
        }
    }
    public static void main(String[] args){
       SingelLinkedList node1 = new SingelLinkedList(1);
       SingelLinkedList node2 = node1.InsertNext(2);
       SingelLinkedList node3 = node2.InsertNext(3);
       SingelLinkedList node4 = node3.InsertNext(4);
       SingelLinkedList node5 = node4.InsertNext(5);
        node1.Traverse(null);
        node3.DeleteNext();
        node2.Traverse(null);
    }
}