BlueJ Program On Neon Numbers Between 1 And 500

import java.io.*;
class Neon
{
int i,sq,sum=0;
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
public void showNeon() throws Exception
{
for(i=1;i<=500;i++)
{
sum=0;
 sq=i*i;
 while(sq>=1)
{
 sum=sum+sq%10;
 sq=sq/10;
}
if(i==sum)
 System.out.println(i+ " is a neon number");
}
}
public static void main(String args[])throws Exception
{
 Neon ob=new Neon();
ob.showNeon();
}
}

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