class Animal 
{ 
void eat() 
{ 
System.out.println("eaƟng...");
} 
} 
class Dog extends Animal 
{ 
void bark() 
{ 
System.out.println("barking..."); 
} 
} 
Class BabyDog extends Dog 
{ 
void weep() 
{ 
System.out.println("weeping..."); 
} 
} 
public class LabTask16 
{ 
public staƟc void main(String args[])
 { 
BabyDog d=new BabyDog();
   d.weep(); 

d.bark(); 

d.eat(); 

 } 

}