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package BuilderPatternDemo;
// Product
class Car {
    private String engine;
    private String wheels;
    private String color;

    public void setEngine(String engine) {
        this.engine = engine;
    }

    public void setWheels(String wheels) {
        this.wheels = wheels;
    }

    public void setColor(String color) {
        this.color = color;
    }

    @Override
    public String toString() {
        return "Car:\n\tEngine: " + engine + "\n\tWheels: " + wheels + "\n\tColor: " + color + "\n";

    }
}

package BuilderPatternDemo;

// Builder
interface CarBuilder {
    void setEngine(String engine);
    void setWheels(String wheels);
    void setColor(String color);
    Car getResult();
}

package BuilderPatternDemo;

// ConcreteBuilder
class CarBuilderImpl implements CarBuilder {
    private Car car;

    CarBuilderImpl() {
        this.car = new Car();
    }

    public void setEngine(String engine) {
        car.setEngine(engine);
    }

    public void setWheels(String wheels) {
        car.setWheels(wheels);
    }

    public void setColor(String color) {
        car.setColor(color);
    }

    public Car getResult() {
        return car;
    }


}

package BuilderPatternDemo;
// Director
class CarDirector {
    private CarBuilder builder;

    CarDirector(CarBuilder builder) {
        this.builder = builder;
    }

    void build() {
        builder.setEngine("V8");
        builder.setWheels("18 inch");
        builder.setColor("Red");
    }
}

package BuilderPatternDemo;

public class BuilderDriver {

    public static void main(String[] args) {
        CarBuilder builder = new CarBuilderImpl();
        CarDirector director = new CarDirector(builder);
        director.build();
        Car car = builder.getResult();
        System.out.println(car.toString());

    }
}