11.28
发布时间 2023-11-28 16:47:31作者: 周正阳
[实验任务一]：旅行方式的选择
旅游的出行方式有乘坐飞机旅行、乘火车旅行和自行车游，不同的旅游方式有不同的实现过程，客户可以根据自己的需要选择一种合适的旅行方式。
JAVA
package rjsj.no23;
public class BicycleStrategy implements TravelStrategy{
@Override
public void travel() {
System.out.println("骑自行车旅游");
}
}
package rjsj.no23;
public class Client {
public static void main(String[] args) {
Traveler traveler = new Traveler();
System.out.println("旅游开始！");
TravelStrategy travelStrategy = new TrainStrategy();
traveler.setTravelStrategy(travelStrategy);
traveler.travel();
System.out.println("**************************************************");
System.out.println("旅游开始！");
travelStrategy = new AirplaneStrategy();
traveler.setTravelStrategy(travelStrategy);
traveler.travel();
System.out.println("**************************************************");
System.out.println("旅游开始！");
travelStrategy = new BicycleStrategy();
traveler.setTravelStrategy(travelStrategy);
traveler.travel();
System.out.println("**************************************************");
}
}
package rjsj.no23;
public class TrainStrategy implements TravelStrategy{
@Override
public void travel() {
System.out.println("坐火车旅游");
}
}
package rjsj.no23;
public class Traveler {
private TravelStrategy travelStrategy;
public void setTravelStrategy(TravelStrategy travelStrategy) {
this.travelStrategy = travelStrategy;
}
public void travel(){
travelStrategy.travel();
}
}
package rjsj.no23;
public interface TravelStrategy {
void travel();
}
package rjsj.no23;
public class AirplaneStrategy implements TravelStrategy{
@Override
public void travel() {
System.out.println("乘坐飞机旅游");
}
}
C++
package rjsj.no23;
public class Client {
public static void main(String[] args) {
Traveler traveler = new Traveler();
System.out.println("旅游开始！");
TravelStrategy travelStrategy = new TrainStrategy();
traveler.setTravelStrategy(travelStrategy);
traveler.travel();
System.out.println("**************************************************");
System.out.println("旅游开始！");
travelStrategy = new AirplaneStrategy();
traveler.setTravelStrategy(travelStrategy);
traveler.travel();
System.out.println("**************************************************");
System.out.println("旅游开始！");
travelStrategy = new BicycleStrategy();
traveler.setTravelStrategy(travelStrategy);
traveler.travel();
System.out.println("**************************************************");
}
}
package rjsj.no23;
public class TrainStrategy implements TravelStrategy{
@Override
public void travel() {
System.out.println("坐火车旅游");
}
}
package rjsj.no23;
public class Traveler {
private TravelStrategy travelStrategy;
public void setTravelStrategy(TravelStrategy travelStrategy) {
this.travelStrategy = travelStrategy;
}
public void travel(){
travelStrategy.travel();
}
}
package rjsj.no23;
public interface TravelStrategy {
void travel();
}
package rjsj.no23;
public class AirplaneStrategy implements TravelStrategy{
@Override
public void travel() {
System.out.println("乘坐飞机旅游");
}
}