Prog 74: Safe Square Root

///Name: Ilana Levy
///Period: 5
///Program Name: Safe Square Root
///File Name: squareRoot.java
///Date Finished: 9/24/2015

import java.util.Scanner;

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