Assignment #74

Code

    /// Gian Adoremos
    /// Period: 7
    /// Program Name: SeventyFourth Program
    /// File Name: SafeSquareRoot.java
    /// Date Finished: 1/14/2016

    import java.util.Scanner;

    public class SafeSquareRoot
    {
        public static void main(String[] args)
        {
            Scanner keyboard = new Scanner(System.in);
            
            int n;
            
            System.out.println("SQUARE ROOT!");
            System.out.print("Enter a number: ");
            n = keyboard.nextInt();
            
            while ( n < 0 )
            {
                System.out.println("You can't take the square root of a negative number, silly.");
                System.out.print("Try again: ");
                n = keyboard.nextInt();
            }
            
            System.out.println("The square root of " + n + " is " + Math.sqrt(n) + ".");
        }
    }
 

Picture of the output