Wednesday, October 21, 2020 12:27

Posts Tagged ‘interface’

IEnumerator and IEnumerable

Friday, May 8th, 2020

Before we can start delving into LINQ, we need to first understand the underlying principles upon which it is built. LINQ is all about operations over collections, so, you’ve guessed it: we will be dealing with collections.

You already learned that of all data structures, arrays are the fastest, because they are unsorted non-generic data structures.… Read more

Interfaces

Saturday, January 4th, 2020

Interfaces, just like C/C++ pointers, are one of those topics that beginners, and even intermediate programmers are afraid of, because they do not understand them. In fact, the truth is, they are simple to understand, and the real difficulty comes when asking the question “why should I use them/where should I use them?”.… Read more

Abstract classes and methods

Saturday, January 4th, 2020

As I was explaining in the previous lesson, one way of achieving abstraction is trough the means of abstract classes and methods. The abstract keyword can be used for both classes and methods. An abstract class is a class that provides a partial implementation.… Read more

Abstraction

Friday, January 3rd, 2020

Another fundamental principle of Object Oriented Programming is abstraction. Abstraction mainly refers to the ability of using something without knowing or being interested about how that something does what we request of it. We do this every day: we do not care how a computer does all it does (well, actually, some of us do), we only care that it is able to do what we need from it.… Read more


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