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Count_Nodes_LinkedList.java
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Count_Nodes_LinkedList.java
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import java.util.Scanner;
public class Count_Nodes_LinkedList
{
static class Node
{
int data;
Node next;
Node(int val)
{
data = val;
next = null;
}
}
static Node add(int data)
{
Node newnode = new Node(data);
newnode.data = data;
newnode.next = null;
return newnode;
}
static Node addElements(int[] arr, Node head,int len)
{
head = add(arr[0]);
Node curr = head;
for (int index=1;index<len;index++)
{
curr.next=add(arr[index]);
curr=curr.next;
}
return head;
}
static void print(Node head)
{
Node curr = head;
while (curr != null)
{
System.out.print(curr.data);
System.out.print("->");
curr = curr.next;
}
}
static int count(Node head)
{
int count=0;
while(head!=null)
{
head=head.next;
count++;
}
return count;
}
public static void main(String args[])
{
Scanner sc=new Scanner(System.in);
int N=sc.nextInt();
int[] arr=new int[N];
for(int index=0;index<N;index++)
{
arr[index]=sc.nextInt();
}
Node head = null;
head = addElements(arr,head,N);
System.out.println("Normal Output: ");
print(head);
System.out.print("\n\n");
System.out.println("Number of Nodes in the Linked List are : "+count(head));
sc.close();
}
}