根據(jù)代碼構(gòu)建類圖

Vehicle c=new Car("red",“Audi",123);

Vehicle t=new Truck(“white",“Benz",300);

Driver driver=new Driver();

driver.drive(c);

driver.drive(t);

+-----------------------+

| Vehicle |

+-----------------------+

| -color: String |

| -brand: String |

| -horsePower: int |

+-----------------------+

| +Vehicle(color: String, brand: String, horsePower: int) |

| +getColor(): String |

| +getBrand(): String |

| +getHorsePower(): int |

| +setColor(color: String): void |

| +setBrand(brand: String): void |

| +setHorsePower(horsePower: int): void |

+-----------------------+

/ \

/ \

+----------+ +----------+

| Car | | Truck |

+----------+ +----------+

| +Car(color: String, brand: String, horsePower: int) |

| +getMaxSpeed(): int |

| +setMaxSpeed(maxSpeed: int): void |

+----------+ |

|

|

|

+------------------+ |

| Driver | |

+------------------+ |

| +drive(vehicle: Vehicle): void |

+------------------+