-
Notifications
You must be signed in to change notification settings - Fork 0
/
CreateList.java
65 lines (56 loc) · 1.7 KB
/
CreateList.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
public class CreateList {
public class Node{
int data;
Node next;
public Node(int data) {
this.data = data;
}
}
public Node head = null;
public Node tail = null;
//This function will add the new node at the end of the list.
public void add(int data){
//Create new node
Node newNode = new Node(data);
//Checks if the list is empty.
if(head == null) {
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;
}
}
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: ");
do{
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(1);
cl.add(2);
cl.add(3);
cl.add(4);
cd.add(5);
cd.add(6);
//Displays all the nodes present in the list
cl.display();
}
}