cardemo.java

java实验报告书：其中包括实验代码以及说明等

class Car   {												// 声明Car类
  int car_number;
  void set_number(int car_num) {
     car_number=car_num;
   }
   void show_number() {
     System.out.println("我的车号是："+car_number);
    }
  }
 class TrashCar extends Car{         // 声明Trash Car类，它继承Car类
   int capacipy;
   void set_capacity(int trash_car_capacipy) {
     capacipy=trash_car_capacipy;
   }
  void show_capacity() {
    System.out.println("我的容量是："+capacipy+" ");
   }
 }
class CarDemo{
  public static void main(String args[]) {
    TrashCar DemoTrashCar=new TrashCar();
    DemoTrashCar.set_number(4949);
    DemoTrashCar.set_capacity(20);
    DemoTrashCar.show_number();
    DemoTrashCar.show_capacity();
    }
  }