/***************************************************
 * Rooter.java - returns the square root of a
 * user provided number
 *
 * @author Nick Bakewell - V1 - 1/22/07
 **************************************************/
 
import java.io.*;
import java.util.*;

public class IO_bakewens_Rooter
{
    public static void main(String[] args)
    {
       double          value, result;       
       PrintWriter     screen;       
       Scanner         keyboard;
       
       screen   = new PrintWriter(System.out, true);       
       keyboard = new Scanner(System.in);

       screen.println("Enter a number: ");    
       
       // process square root and keep asking for new number
       while (keyboard.hasNext())
       {
          value = keyboard.nextDouble();
          result = Math.sqrt(value);

          screen.printf("The square root of " + value + " is " + result);
          screen.flush();
          
          screen.println("Enter a number: ");       
        	 screen.flush();
       }

       screen.println("Done.\n");       
       screen.flush();
    }
    
}