Computer Applications
Define a class to accept a number and check whether the number is Neon or not. A number is said to be Neon if sum of the digits of the square of the number is equal to the number itself.
E.g.
Input: 9
Output:
9 * 9 = 81, 8 + 1 = 9
9 is Neon number.
Java
Java Iterative Stmts
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Answer
import java.util.Scanner;
public class NeonNumber
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.print("Enter the number to check: ");
int n = in.nextInt();
int sq = n * n;
int sqSum = 0;
while (sq != 0) {
int d = sq % 10;
sqSum += d;
sq /= 10;
}
if (sqSum == n)
System.out.println("Neon Number");
else
System.out.println("Not a Neon Number");
}
}Output
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