子類對象實例化的全過程
//子類對象實例化的全過程
public class TestDog {
public static void main(String[] args) {
Dog d = new Dog();
d.setAge(10);
d.setName("小明");
d.setHostName("花花");
System.out.println("name:" + d.getName() + " age:" + d.getAge()
+ "hostName:" + d.getHostName());
System.out.println(d.toString());
}
}
// 生物
class Creator {
private int age;
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public Creator() {
super();
System.out.println("this is Creator‘s constructor");
}
}
// 動物類
class Animal extends Creator {
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Animal() {
super();
System.out.println("this is Animal‘s constructor");
}
}
// 狗
class Dog extends Animal {
private String hostName;
public String getHostName() {
return hostName;
}
public void setHostName(String hostName) {
this.hostName = hostName;
}
public Dog() {
super();
System.out.println("this is Dog‘s constructor");
}
}
子類對象實例化的全過程