Hands-On Design Patterns with C# and .NET Core

Explaining OOP

Earlier, programming approaches had limitations and they often became difficult to maintain. OOP offered a new paradigm in software development that had advantages over other approaches. The concept of organizing code into objects is not difficult to explain and this is a huge advantage for the adoption of a new pattern. Many examples can be taken from the real world in order to explain the concept. Complex systems can also be described using smaller building blocks (that is, an objects). These allow developers to look at sections of the solution individually while understanding how they fit into the entire solution.

With this in mind, let's define a program as follows:

"A program is a list of instructions that instructs the ...