java编程类型,只会用c++,不会改为java

编写Java程序用于显示汽车的品牌、型号和马力。 定义一个汽车类Car,该类中应该有三个私有属性品牌brand、型号version和马力horsePower。定义构造方法用来初始化数据成员,并定义每个属性的set和get方法。再定义显示方法display()将品牌、型号和马力打印出来。在main方法中创建汽车的实例然后将信息显示。


public class dd {
    public static void main(String[] args) {
        Car car=new Car("品牌","型号","马力");
        car.display();
    }
}
class Car{
    String brand;
    String version;
    String horsePower;
    public Car(String brand, String version, String horsePower) {
        super();
        this.brand = brand;
        this.version = version;
        this.horsePower = horsePower;
    }
    public String getBrand() {
        return brand;
    }
    public void setBrand(String brand) {
        this.brand = brand;
    }
    public String getVersion() {
        return version;
    }
    public void setVersion(String version) {
        this.version = version;
    }
    public String getHorsePower() {
        return horsePower;
    }
    public void setHorsePower(String horsePower) {
        this.horsePower = horsePower;
    }
    public void display() {
        System.out.println(brand+" "+version+" "+horsePower);
    }
}

是这样
public static void main(String[] args) {
Car car = new Car("奔驰", "S350", "300");
car.display();
}