How to use different class objects in one array?

Question

I have one problem because I wanna put different classes in one array.

I have 5 classes: Dog, Kitchen, Cat, Cow, Bird

How can I put all this classes to one array?

Answer 1

Because every data type in Java extends Object, you can just use an object array:

Object[] array = {new Dog(), new Kitchen(), new Cat(), new Cow(), new Bird()};

Primitives do not extend object, although autoboxing allows for primitives to be converted to objects when needed.

Answer 2

Use object array as following:-

Object[] objects = {new Dog(), new Kitchen(), new Cat(), new Bird()};