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/**

* Car class

*

* Used for the Real Python OOP in Java vs Python article

*

* Requires both Vehicle.java and Device.java

*/

public class Car extends Vehicle implements Device {

private int year; // Year of our car

private int voltage; // Battery voltage

private static int wheels; // How many wheels do we have

/**

* Car constructor

*/

public Car(String color, String model, int year) {

super(color, model);

this.year = year;

this.voltage = 12;

}

/**

* Override the interface method.

*/

@Override

public int getVoltage() {

return voltage;

}

/**

* getYear returns the Car's year

*/

public int getYear() {

return year;

}

/**

* setYear changes Car's year

*/

public void setYear(int year) {

this.year = year;

}

/**

* getWheels returns the number of wheels

*/

public static int getWheels() {

return wheels;

}

/**

* setWheels sets the number wheels

*/

public static void setWheels(int count) {

wheels = count;

}

/**

* Return a human readable string reoresenting the Car

*/

public String toString() {

return "Car: " + getColor() + " : " + getModel() + " : " + getYear();

}

}