Assignment #74 and SafeSquareRoot

Code

      /// Name: Jason Kim
      /// Period: 7
      /// Program Name: SafeSquareRoot
      /// File Name: SafeSquareRoot.java
      /// Date Finished:11/16/15
      
      import java.util.Scanner;
      public class SafeSquareRoot
      {
          public static void main (String[] args)
          {
              Scanner keyboard = new Scanner(System.in);
              System.out.println("SQUARE ROOT!"); 
              System.out.print("Enter a number: ");
              double number = keyboard.nextInt();
              while(number < 0)
              {
              System.out.println("You can't take the square root of a negative number, silly.");
              System.out.print("Try again: ");
              number = keyboard.nextInt();
              }
              System.out.println("The square root of " + number + " is " + Math.sqrt(number) + ".");
          }
      }

    

Picture of the output