编写Java程序,设计一个门类Door,可以实现基本的开关行为(方法),现在要扩展功能,具有报警和照相功能。请问,如何对类Door进行修改更合适?要求输出完整的Java代码跟改进过程
时间: 2024-03-17 07:44:17 浏览: 26
好的,我来为您提供完整的Java代码和改进过程。
首先,我们需要定义Door类,实现基本的开关行为:
```java
public class Door {
public void open() {
System.out.println("Door is opening...");
}
public void close() {
System.out.println("Door is closing...");
}
}
```
接下来,我们需要为Door类添加报警和照相功能。我们可以使用接口来定义这两个功能:
```java
public interface Alarmable {
void alarm();
}
public interface Photographic {
void takePhoto();
}
```
然后,我们需要让Door类实现这两个接口:
```java
public class Door implements Alarmable, Photographic {
public void open() {
System.out.println("Door is opening...");
}
public void close() {
System.out.println("Door is closing...");
}
public void alarm() {
System.out.println("Door is alarming...");
}
public void takePhoto() {
System.out.println("Door is taking photo...");
}
}
```
现在,Door类就具有了报警和照相功能。我们可以创建Door对象,并调用它们的方法:
```java
public class Main {
public static void main(String[] args) {
Door door = new Door();
door.open();
door.close();
door.alarm();
door.takePhoto();
}
}
```
输出结果如下:
```
Door is opening...
Door is closing...
Door is alarming...
Door is taking photo...
```
以上就是完整的Java代码和改进过程,希望能够帮助您!