A repository showcasing Object-Oriented Programming (OOP) concepts in Python with examples, including classes, objects, inheritance, polymorphism, encapsulation, method overloading, method overriding, ...

In C#, a class can declare virtual methods, properties, and indexers, and derived classes can override the implementation of these function members. The keyword virtual allows programmers to specify ...

Get started with polymorphism in Java and how to do method invocation in polymorphic method calls.

Compare inheritance and composition, the two fundamental ways to relate Java classes, then practice debugging ClassCastExceptions in Java inheritance.

Compared to before, Java’s double brace initialization makes the more concise, less verbose and more readable and maintainable for developers who will work on the code in the future. If you need to ...

How to write a Java palindrome program for Strings Good programmers need to create code that efficiently solves problems, using various methods. A popular academic exercise is to create a program that ...