HelloWorldApp class

HelloWorldApp.java

/** 
 * The HelloWorldApp class implements an application that
 * simply prints "Hello World!" to standard output.
 */
class HelloWorldApp {
    public static void main(String[] args) {
        System.out.println("Hello World!"); // Display the string.
        changeCadence(10);
        printStates();
    }
    
    static int cadence = 0;
    static int speed = 0;
    static int gear = 1;

    static void changeCadence(int newValue) {
         cadence = newValue;
    }

    static void printStates() {
         System.out.println("cadence:" +
             cadence + " speed:" + 
             speed + " gear:" + gear);
    }
}