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insertNode.java
executable file
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insertNode.java
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import java.io.*;
import java.util.*;
class Node {
int data;
Node next;
Node(int d) {
data = d;
next = null;
}
}
class Solution {
public static Node insert(Node head,int data) {
//Complete this method
if(head == null){
return new Node(data);
}else{
Node newNode= new Node(data);
Node temp = head;
while(temp.next!= null){
temp = temp.next;
}
temp.next = newNode;
return head;
}
}
public static void display(Node head) {
Node start = head;
while(start != null) {
System.out.print(start.data + " ");
start = start.next;
}
}
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
Node head = null;
int N = sc.nextInt();
while(N-- > 0) {
int ele = sc.nextInt();
head = insert(head,ele);
}
display(head);
sc.close();
}
}