public class Dog extends Animal{

public Dog(String name){
	this.name = name;
}

public Dog(){
}
     public void speak(){
		
	System.out.println("Woof. My name is "+this.name);
     }

     public void play(){
	
	System.out.println("I am playing.");

     }	    

     public String toString(){

	return "I am a dog named " + this.name;
     } 
}