write a program of Neon number. (by java)
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import java.io.*;
class GFG {
// function to check Neon Number
static boolean checkNeon(int x)
{
// storing the square of x
int sq = x * x;
// calculating the sum of sum of digits
// of sq
int sum_digits = 0;
while (sq != 0) {
sum_digits = sum_digits + sq % 10;
sq = sq / 10;
}
return (sum_digits == x);
}
// Driver Code
public static void main(String args[])
throws IOException
{
// Printing Neon Numbers upto 10000
for (int i = 1; i <= 10000; i++)
if (checkNeon(i))
System.out.print(i + " ");
}
}
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