Java Learning--the whole process of subclass object instantiation

public class Testdog {

publicstatic void Main (string[] args) {
Dog d = Newdog ();
D.setage (10);
D.setname ("Floral");
D.sethostname ("Xiao Ming");

System.out.println ("Name:" + d.getname () + "Age:" +d.getage ()
+ "HostName:" + d.gethostname ());

System.out.println (D.tostring ());
}
}

Biological
Class Creator {
Private intage;

Public Intgetage () {
Returnage;
}

Public Voidsetage (int.) {
This.age =age;
}

Publiccreator () {
Super ();
System.out.println ("This is Creator ' s constructor");
}

}

Animal class
Class Animal extends Creator {
Privatestring name;

Publicstring GetName () {
Returnname;
}

Public Voidsetname (String name) {
THIS.name =name;
}

Publicanimal () {
Super ();
System.out.println ("This is Animal ' s constructor");
}

}

Dog
Class Dog extends Animal {
Privatestring HostName;

Publicstring GetHostName () {
Returnhostname;
}

Public Voidsethostname (String hostName) {
This.hostname = HostName;
}

Public Dog () {
Super ();
System.out.println ("This is the Dog ' s constructor");
}

}

Java Learning--the whole process of subclass object instantiation