声明一个抽象类 Driver 及两个子类 FemaleDriver 及 MaleDriver 在 Diver 类中声明了抽象方法 drives ,在两个子类中对这个方法进行了重写+期待的运行结果:运行结果 A Female driver drives a vehicle . A male driver drives a vehicle .
时间: 2024-03-01 21:56:22 浏览: 38
好的,以下是代码实现:
```python
from abc import ABC, abstractmethod
class Driver(ABC):
@abstractmethod
def drives(self):
pass
class FemaleDriver(Driver):
def drives(self):
return "A Female driver drives a vehicle."
class MaleDriver(Driver):
def drives(self):
return "A male driver drives a vehicle."
# 测试代码
female_driver = FemaleDriver()
male_driver = MaleDriver()
print(female_driver.drives())
print(male_driver.drives())
```
期待的运行结果:
```
A Female driver drives a vehicle.
A male driver drives a vehicle.
```
相关问题
声明一个抽象类Driver及两个子类FemaleDriver及MaleDriver 在Diver类中声明了抽象方法drives,在两个子类中对这个方法进行了重写
好的,你的问题是如何声明一个抽象类Driver及两个子类FemaleDriver及MaleDriver,在Driver类中声明了抽象方法drives,在两个子类中对这个方法进行了重写。
以下是相应的代码实现:
```java
// 抽象类 Driver
public abstract class Driver {
// 抽象方法 drives
public abstract void drives();
}
// FemaleDriver 类继承自 Driver 抽象类
public class FemaleDriver extends Driver {
// 重写 drives 方法
@Override
public void drives() {
System.out.println("女司机开车");
}
}
// MaleDriver 类继承自 Driver 抽象类
public class MaleDriver extends Driver {
// 重写 drives 方法
@Override
public void drives() {
System.out.println("男司机开车");
}
}
```
以上代码中,抽象类 `Driver` 声明了抽象方法 `drives`,两个子类 `FemaleDriver` 和 `MaleDriver` 分别继承了 `Driver` 类,并在其内部重写了抽象方法 `drives`。这样,我们就实现了抽象类的声明以及抽象方法的重写。
声明一个抽象类 Driver 及两个子类 FemaleDriver 及 MaleDriver 在 Diver 类中声明了抽象方法 drives ,在两个子类中对这个方法进行了重写。:运行结果 A Female driver drives a vehicle . A male driver drives a vehicle .
好的,这是一个简单的面向对象编程问题。下面是对应的 Java 代码:
```java
public abstract class Driver {
public abstract void drives();
}
public class FemaleDriver extends Driver {
@Override
public void drives() {
System.out.println("A Female driver drives a vehicle.");
}
}
public class MaleDriver extends Driver {
@Override
public void drives() {
System.out.println("A male driver drives a vehicle.");
}
}
```
在 main 函数中,我们可以这样调用:
```java
public static void main(String[] args) {
Driver femaleDriver = new FemaleDriver();
Driver maleDriver = new MaleDriver();
femaleDriver.drives(); // 输出 "A Female driver drives a vehicle."
maleDriver.drives(); // 输出 "A male driver drives a vehicle."
}
```
这样就可以得到输出结果了。