Program to check whether a number is perfect square or not.

Asked by KPIT , BITWISE.

import java.util.Scanner;

class PerfectSquare

{

public static void main(String [] args)

{

Scanner s=new Scanner(System.in);

int number=s.nextInt();

double d=Math.sqrt(number);    // d for finding square root of number

int j=(int)d;   //  typecast d into intger

if(d-j==0)

{

System.out.println("Yes number is perfect square");

}

else

{

System.out.println(" number is not perfect square");

}

}

}


example-  entered number is 25 then o/p is