Create CircularLinkedList.java

Linkedlist/CircularLinkedList.java

@@ -0,0 +1,63 @@
+public class CircularLinkedList {  
+    // It represents the node of list.  
+    public class Node{  
+        int data;  
+        Node next;  
+        public Node(int data) {  
+            this.data = data;  
+        }  
+    }  
+
+    //Declared head and tail pointer as null  
+    public Node head = null;  
+    public Node tail = null;  
+
+    //with this function new node will be added at the end  
+    public void add(int data){  
+        //Create new node  
+        Node newNode = new Node(data);  
+        //Checks if the list is empty.  
+        if(head == null) {  
+             //If list is empty, both head and tail would point to new node.  
+            head = newNode;  
+            tail = newNode;  
+            newNode.next = head;  
+        }  
+        else {  
+            //tail will point to new node.  
+            tail.next = newNode;  
+            //New node will become new tail.  
+            tail = newNode;  
+            //Since, it is circular linked list tail will point to head.  
+            tail.next = head;  
+        }  
+    }  
+
+    //Displays all the nodes in the list  
+    public void display() {  
+        Node current = head;  
+        if(head == null) {  
+            System.out.println("List is empty");  
+        }  
+        else {  
+            System.out.println("Nodes of the circular linked list are : ");  
+             do{  
+                //Prints each node by incrementing pointer.  
+                System.out.print(" "+ current.data);  
+                current = current.next;  
+            }while(current != head);  
+            System.out.println();  
+        }  
+    }  
+
+    public static void main(String[] args) {  
+        CreateList cl = new CreateList();  
+        //Adds data to the list  
+        cl.add(9);  
+        cl.add(3);  
+        cl.add(8);  
+        cl.add(5);  
+        //Displays all the nodes present in the list  
+        cl.display();  
+    }  
+}