This third edition of Python 3 Object-Oriented Programming fully explains classes, data encapsulation, and exceptions for developing well-designed software. Temporarily free to download!

Here's what you need to know about object-oriented programming with classes, methods, objects, and interfaces, with examples in Java, Python, and TypeScript.

Today, C++, C#, Java, Visual Basic.NET and Python are popular object-oriented languages. The following compares basic OOP terms with traditional programming. See object-oriented DBMS.

While Python is IEEE's lead programming language, the spotlight is on SQL, which leads the organization's jobs rankings.