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# Program to check perfect square in java

Updated: Apr 2

Simple Java program to check whether a number is perfect square or not | Java Programming

Problem:

Write a program to check whether a given number is a perfect square or not a perfect square, in java.

Code:

```import java.util.Scanner;

public class checkPerfectSquare{
public static void main(String []args){
Scanner sc = new Scanner(System.in);
System.out.println("Enter a number to check: ");
double num = sc.nextDouble();
sc.close();
double d=Math.sqrt(num);
if (d-Math.floor(d)==0){
System.out.print(num+ " is a perfect square number.");
}
else{
System.out.print(num+ " is not a perfect square number.");
}
}
}```

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