Assignment #74 Safe Square Root

Code

    /// Name: John Huh
    /// Period: 6
    /// Program Name: Safe Square Root
    /// File Name: SquareRoot.java
    /// Date Finished: 1/26/2015
    
        import java.util.Scanner;
        
        public class SquareRoot
        {
            public static void main( String[] args )
            {
                Scanner keyboard = new Scanner(System.in);
                int number;
                Double root;
                
                System.out.println();
                System.out.println( "SQUARE ROOT!" );
                System.out.print( "Enter a number: " );
                number = keyboard.nextInt();
                
                while ( number <= 0 )
                {
                    System.out.println( "You can't take the square root of a negative number." );
                    System.out.print( "Try again: " );
                    number = keyboard.nextInt();
                }
                
                root = Math.sqrt(number);
                
                System.out.println( "The square root of " + number + " is " + root + "." );
                System.out.println();
            }
        }
    

Picture of the output

Assignment 1