# Neon Number Program in Java

## A neon number is a number where the sum of digits of square of the number is equal to the number. For example if the input number is 9, its square is 9*9 = 81 and sum of the digits is 9. i.e. 9 is a neon number.

``````
import java.util.Scanner;

public class NeonNumber
{
public static void main(String[] args)
{
// TODO code application logic here
int n,
sqr = 1,
sum = 0, r;
Scanner sc = new Scanner(System.in);
System.out.print("Enter number=");
n = sc.nextInt();
sqr = n * n;
while (sqr > 0)
{
r = sqr % 10;
sum = sum + r;
sqr = sqr / 10;
}
if (n == sum)
{
System.out.println("Neon Number");
}
else
{
System.out.println("Not Neon Number");
}
}
}
``````

#### Output:

```Enter number=9
Neon Number```
##### What is Neon Number ?
A neon number is a number where the sum of digits of square of the number is equal to the number. For example if the input number is 9, its square is 9*9 = 81 and sum of the digits is 9. i.e. 9 is a neon number.

##### What isNeon Number in Java?
A neon number is a number where the sum of digits of square of the number is equal to the number. For example if the input number is 9, its square is 9*9 = 81 and sum of the digits is 9. i.e. 9 is a neon number.

b. tech. bca icse java java tutorials learn java mca programs
Recent Posts