慕仔7135344
2016-11-02 17:10
4.1后面的老师讲的练习题,求程序代码??
package Vehicle;
public class Vehicle {
public void transport(){
System.out.println("交通工具的运输方式");
}
public static void main(String args[]){
Vehicle v1 = new Car();
Vehicle v2 = new Bus();
Vehicle v3 = new Launch();
Vehicle v4 = new Ship();
Vehicle v5 = new Airplane();
v1.transport();
v2.transport();
v3.transport();
v4.transport();
v5.transport();
}
}package Vehicle;
public class Car extends Vehicle {
public void transport(){
System.out.println("小汽车可以在陆上运输5个人");
}
}package Vehicle;
public class Bus extends Vehicle {
public void transport(){
System.out.println("公共汽车可以在陆上运输40个人");
}
}package Vehicle;
public class Launch extends Vehicle {
public void transport(){
System.out.println("汽艇可以在海上运输10个人");
}
}package Vehicle;
public class Ship extends Vehicle {
public void transport(){
System.out.println("轮船可以在海上运输200个人");
}
}package Vehicle;
public class Airplane extends Vehicle {
public void transport(){
System.out.println("飞机可以在天上运输100个人");
}
}
简单明了,紧抓这节 多态要点。666
Java入门第二季
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