代码如下:
abstract class Animal {
private String name;
public Animal(String name) {
this.name = name;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public abstract void enjoy();
}
class Cat extends Animal {
private String eyesColor;
public Cat(String name) {
super(name);
}
public String getEyesColor() {
return eyesColor;
}
public void setEyesColor(String eyesColor) {
this.eyesColor = eyesColor;
}
@Override
public void enjoy() {
System.out.println("小猫" + getName() + "高兴的喵喵叫。");
}
}
class Dog extends Animal {
private String furColor;
public Dog(String name) {
super(name);
}
public String getFurColor() {
return furColor;
}
public void setFurColor(String furColor) {
this.furColor = furColor;
}
@Override
public void enjoy() {
System.out.println("狗狗" + getName() + "高兴的摇起了尾巴。");
}
}
class Lady {
private String name;
private Animal pet;
public Lady(String name, Animal pet) {
this.name = name;
this.pet = pet;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Animal getPet() {
return pet;
}
public void setPet(Animal pet) {
this.pet = pet;
}
public void myPetEnjoy() {
pet.enjoy();
}
}
public class App {
public static void main(String[] args) {
Cat cat = new Cat("Jerry");
cat.setEyesColor("蓝色");
Lady lady1 = new Lady("张女士", cat);
lady1.myPetEnjoy();
Dog dog = new Dog("旺财");
dog.setFurColor("黄色");
Lady lady2 = new Lady("王女士", dog);
lady2.myPetEnjoy();
}
}