In the 1970s, Xerox's Smalltalk was the first object-oriented programming language, which was used to create the graphical user interface (see Xerox Star). ACTOR and Eiffel were also earlier OOP ...

In fact, my first programming language was BASIC on the ZX Spectrum which was very much imperative. So much so, that all the lines were numbered as ’10, 20, 30’ etc.

Object-oriented programming gives us modifiers, which control the visibility of members and methods. In some languages, like Java, we have modifiers such as private and public.

One of the first rationales that you often hear for teaching Java is, "It's object-oriented!" It's true that Java is the poster child of object-oriented programming (OOP). Plenty of other languages, ...