public class MyFirstMethod {


    public static void main(String[] args) {
        printFour();  // calling the method, or invoking the method
        System.out.println(doubleThatNum(4.5));
    }  // main

    // print 4 to the console
    // parameters: none
    // return: nothing - void
    public static void printFour() {
        System.out.println(4);
    } // printFour


    // doubleThatNum doubles its parameter
    // parameters:  double foo
    // return: double
    public static double doubleThatNum(double foo) {
        return 2*foo;
    } // printFour

    // Write a method
    // Name: fiftyFifty
    // Purpose: if parameter is < 50 print "you are a wise one master Skywalker"
    //  otherwise print "The dark side is strong today"
    // Parameters: int
    // Return: none


    // Write a method
    // Name: getNumFromUser
    // Purpose: asks the user for an integer and returns the integer.
    // Parameters: none
    // Return: int


} // MyFirstMethod