using System;
public abstract class Vehicle {
public abstract void display();
}
public class Bus : Vehicle {
public override void display() {
Console.WriteLine(Bus);
}
}
public class Car : Vehicle {
public override void display() {
Console.WriteLine(Car);
}
}
public class Motorcycle : Vehicle {
public override void display() {
Console.WriteLine(Motorcycle);
}
}
public class MyClass {
public static void Main() {
Vehicle v;
v = new Bus();
v.display();
v = new Car();
v.display();
v = new Motorcycle();
v.display();
}
}
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。