The Coffee Maker exercise - with a shell implementation

Directions...

1. Clone
2. Implement a coffee maker

To Run:

mvn package

java -cp target/CoffeeMaker-1.0-SNAPSHOT.jar Mark4CoffeeMaker

To Test:

mvn test

Use Cases

1. Brew Button is pushed. Heaters are turned on. Pressure valve is closed.

2. Coffee Pot is pulled away. Pressure Valve is opened to stop flow of coffee.

3. Coffee Pot is returned. Pressure valve is closed.

4. Pot is full, brew indicator light is turned on. Pressure valve is opened. Warmer turned on. Heater turned off.

5. Pot is empty. Brew indicator light turns off. Warmer turned off.