Python, JavaScript & C++ examples - Void function, Functions in Programming that require or return a Value discussed in brief for beginners.

Moving from object-oriented to functional programming is a paradigm shift for developers, but these key principles explain why it's worth the effort.

Immutability Another tenet of functional programming philosophy is not to modify data outside the function. In practice, this means to avoid modifying the input arguments to a function.

What does object-oriented programming actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.