- public class ch59
- {
- public static void main(String args[])
- {
- Car bus=new Car("公車",3,50);
- Car truck=new Car("卡車",84,33);
- Car taxi=new Car("計程車");
- taxi.wheel=42;
- taxi.carry=55;
- System.out.println(bus.name+"有"+bus.wheel+"個輪子可載"+bus.carry+"人.");
- System.out.println(truck.name+"有"+truck.wheel+"個輪子可載"+truck.carry+"人.");
- System.out.println(taxi.name+"有"+taxi.wheel+"個輪子可載"+taxi.carry+"人.");
- }
- }
- class Car
- {
- String name;
- int wheel, carry;
-
- Car()
- {
- }
-
- Car(String name)
- {
- this.name=name;
- }
- Car(int wheel, int carry)
- {
- this.wheel=wheel;
- this.carry=carry;
- }
- Car(String name, int wheel, int carry)
- {
- this.name=name;
- this.wheel=wheel;
- this.carry=carry;
- }
- }
複製代碼 |