//测试继承与多态
class Animal {
public:
char name[128];
char behavior[128];
void outPut() {
cout << "Animal" << endl;
}
void outPutAnimal() {
cout << "Father" << endl;
}
Animal() {
strcpy(name, "Animal");
strcpy(behavior, "Call");
}
};
class Dog: public Animal {
public:
//子类定义一个和父类相同的属性
char name[128];
char sex;
//子类重写父类方法
void outPut() {
cout << "Dog" << endl;
}
void outPutDog() {
cout << "Son" << endl;
}
Dog() {
strcpy(name, "Dog");
sex = 'M';
}
};
/* 没有多态的情况下测试结果和Java相同 Dog dog; cout << dog.name << endl; cout << dog.sex << endl; cout << dog.behavior << endl; dog.outPut(); dog.outPutAnimal(); dog.outPutDog(); //可通过如下方式访问父类的行为 dog.Animal::outPut(); */ //多态的情况下: Animal *dog = new Dog; cout << dog->name << endl; cout << dog->behavior << endl; dog->outPut(); dog->outPutAnimal(); //测试结果 Animal Call Animal Father
//父类
public class Animal {
public String name = "Animal";
public String behavior = "Call";
public void outPut() {
System.out.println("Animal");
}
public void outPutAnimal() {
System.out.println("Father");
}
}
//子类
public class Dog extends Animal{
public String name = "Dog";
public char sex = 'M';
public void outPut() {
System.out.println("Dog");
}
public void outPutDog() {
System.out.println("Son");
}
}
public static void main(String[] args) {
Animal dog = new Dog();
System.out.println(dog.name);
System.out.println(dog.behavior);
dog.outPut();
dog.outPutAnimal();
}
//测试结果
Animal//父类行为
Call
Dog//表现的是子类的行为
Father
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