java根据下图定义一个类car

public class Car{
  String brand;
  String color;
   public String getBrand(){return this.brand;}
   public void setBrand(String brand){this.brand = brand;}

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

  public void start(){
      System.out.println("启动");
  }
  public void stop(){
    System.out.println("停止");
  }
  public void forward(){
        System.out.println("前进");
  }
  public void backward(){
        System.out.println("后退");
  }
}