Why does Java use so many classes?

In Java, everything extends into an Object class. It means the coding is mostly wrapped in Java objects . The Java language assumes that you want to do only object-oriented programming. You cannot code anything in Java without declaring classes and objects.

The Java language requires you to write code in classes and provides no other mechanism to do so . Thus you need a class because Java says so. This, by the way, is virtually the case for all purely object-oriented languages. Because this is a reserved keyword in Java.

Java Classes/Objects Java is an object-oriented programming language. Everything in Java is associated with classes and objects , along with its attributes and methods.

The main method is static , so it doesn’t matter which class holds it.