Assignment 74: Safe Square Root

Code

    /// Name: Ryan McAteer
    /// Period: 5
    /// Program Name: Safe Square Root
    /// File Name: Assignment74.java
    /// Date Finished: 1/4/16
    
import java.util.Scanner;

public class Assignment74
{
	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();
        }
        
        if ( n > 0 )
        {
            System.out.println("The square root of " + n + " is " + Math.sqrt(n) + ".");
        }
    }
}

    

Picture of the output