import java.io.*;

// a class for reading various types from the keyboard (System.in) 
class MyInput
{
    public static String readString()
    {
        String string = "";
        BufferedReader bufferedReader = 
           new BufferedReader(new InputStreamReader(System.in));
        try
        {
            string = bufferedReader.readLine();
        }
        catch (IOException ex)
        {
            throw new RuntimeException(ex);
        }
        return string;
    }

    public static int readInt()
    {
        return Integer.parseInt(readString());
    }

    public static double readDouble()
    {
        return Double.parseDouble(readString());
    }

    // test all the methods of this class
    public static void main(String[] args)
    {
        System.out.println("Testing 'readString()'");
        System.out.print("Input your string : ");
        System.out.println("Your string was '" + readString() + "'");
        System.out.println("\nTesting 'readInt()'");
        System.out.print("Input your int : ");
        System.out.println("Your int was '" + readInt() + "'");
        System.out.println("\nTesting 'readDouble()'");
        System.out.print("Input your double : ");
        System.out.println("Your double was '" + readDouble() + "'");
    }
}