# Java Classes

This project contains how Java classes can extend from a parent class and how to be implemented in different files.
The main class is `Main.java`, where the class Sport, SUV and Hybrid are being used and extend from Vehicle class.


## Diagram

```mermaid
classDiagram

class Vehicle {
    -String make
    -String model
    +int doors
    -int year
    +EngineType typeOfEngine
    +Vehicle(String make, String model, int year)
    +EngineType getManualEngineType()
    +EngineType getAutomaticEngineType()
    +String getMake()
    +EngineType getTypeOfEngine()
    +int getDoors()
    +String getModel()
    +int getYear()
    +String forward()
    +String reverse()
    +String stop()
}

class EngineType {
    <<enumeration>>
    AUTOMATIC
    MANUAL
}

class SUV {
    -boolean fourWheelDrive
    +SUV(String make, String model, int year, boolean fourWheelDrive)
    +boolean hasFourWheelDrive()
    +String forward()
    +String reverse()
    +String stop()
    +String engageFourWheelDrive()
}

class Sport {
    -int topSpeed
    -GearNumbers gear
    +Sport(String make, String model, int year, int topSpeed)
    -GearNumbers setGear(int gear)
    +double getTopSpeed()
    +String forward()
    +String reverse()
    +String stop()
    +String drift()
    +String nitroBoost()
    +void changeGearUp()
    +GearNumbers getGear()
    +void changeGearDown()
    +void setGearToNeutral()
}

class GearNumbers {
    <<enumeration>>
    R
    N
    GEAR_1
    GEAR_2
    GEAR_3
    GEAR_4
    GEAR_5
    GEAR_6
}

class Hybrid {
    -double batteryCapacity
    +Hybrid(String make, String model, int year, double batteryCapacity)
    +double getBatteryCapacity()
    +String forward()
    +String reverse()
    +String stop()
}

Vehicle <|-- SUV
Vehicle <|-- Sport
Vehicle <|-- Hybrid
Vehicle *-- EngineType
Sport *-- GearNumbers
```