Introduction to Programming

Object/class

A Java program and an entire application can be written without creating a single object. Just use the static keyword in front of every method and every field of a class you are creating and call them from the static main() method. You will be limited in your programming capabilities. You will not be able to create an army of objects that can work in parallel doing a similar job on their own copy of data, for example. But your application will still work.

Besides, in Java 8,  functional programming features were added that allow us to pass around functions the same way an object can be passed. So, your object-less application could be quite capable. And several languages without object creating capabilities were used very effectively. ...