Java-Klasy-Dziedziczenie-Animal

package dziedziczenie;

public class Animal {
private boolean hasTail;
private int weight;
public void eat(){
    System.out.println("I'm eating now");
}
public void giveVoice(){
    System.out.println("I'm giving voice now");
}
public Animal(boolean hasTail, int weight) {
    super();
    this.hasTail = hasTail;
    this.weight = weight;
}
public Animal(){

}
}
//-----------------------------------------------------
class Dog extends Animal{
    private String owner;
    private String breed;
    private int age;
public Dog(boolean hasTail, int weight,String owner, String breed, int age) {
    super(hasTail, weight);
    this.age=age;
    this.breed=breed;
    this.owner=owner;
    // TODO Auto-generated constructor stub
}

}