Car.java

class Car {

    private String type;
    private BigDecimal price;

    public Car(String type, BigDecimal price) {
        this.type = type;
        this.price = price;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public BigDecimal getPrice() {
        return price;
    }

    public void setPrice(BigDecimal price) {
        this.price = price;
    }

    @Override
    public boolean equals(Object o) {

        if (o == this) return true;
        if (!(o instanceof Car)) {
            return false;
        }

        Car car = (Car) o;

        return car.type.equals(type) &&
                car.price.equals(price);
    }
}