小点点

public class Dog extends Animal {

 @Override
 public String WhoIs() {
  // TODO Auto-generated method stub
  return "This is a dog!";
 }
 
}

 

 

String clsName="com.sy.grasp.Dog";

 

  Animal animal = (Animal)Class.forName(clsName).newInstance();

 

 

System.out.println(animal.WhoIs());

 

 

///This is a dog!