Question

Wap to input a number and check it is perfect square or not in java​

Answer 1

Answer:

import java.util.Scanner;

public class CheckPerfectSquareExample1

{

//user-defined method that checks the number is perfect square or not

static boolean checkPerfectSquare(double number)

{

//calculating the square root of the given number

double sqrt=Math.sqrt(number);

//finds the floor value of the square root and comparing it with zero

return ((sqrt - Math.floor(sqrt)) == 0);

}

//main method

public static void main(String[] args)

{

System.out.print("Enter any number: ");

//object of the Scanner class

Scanner sc=new Scanner(System.in);

//reading a number of type double from the user

double number=sc.nextDouble();

//calling the user defined method

if (checkPerfectSquare(number))

System.out.print("Yes, the given number is perfect square.");

else

System.out.print("No, the given number is not perfect square.");

}

}