public class Hello {
public static void main(String[] args) {
System.out.println("Hello");
Cat cat01 = new Cat();
cat01.eat();
int cat_legs = cat01.legs = 4;
System.out.println(cat_legs);
}
}
class Animal {
protected int legs;
public void eat() {
System.out.println("eat");
}
}
class Cat extends Animal {
}


