tutorial Archives - Page 16 of 23

C# Code Snippets Method Hiding vs Overriding

C# Method Hiding vs Overriding

TslaOctober 27, 2019January 13, 20240

In this tutorial, we will see the difference between method hiding and overriding in C#. The difference between method hiding and method overriding becomes evident when a class object is used polymorphically. The child version of the method gets called only when the method is overridden. If the method is hidden(new keyword) the parent version of the method gets called. Meanwhile, if we don’t call a method polymorphically the new keyword will act in the same way as the override keyword does and hide the original parent implementation of the method.

C# Using Keyword

TslaOctober 25, 2019January 13, 20240

In this tutorial, we will take a look at the using keyword in C#. The using keyword can be used as a directive to include a namespace or it can be used as a statement. Using it as a statement the using keyword ensures that the dispose() method gets called even if an exception occurs.

C# Code Snippets Working with the console

C# Working with the Console

TslaOctober 23, 2019January 13, 20240

About In this code snippet, we will learn the basics of how to work with the console in C#. We will see how to write text to the console, read text from the console, change the …

C# Interfaces

TslaOctober 21, 2019January 13, 20240

In this tutorial, we will take a look at interfaces in C#. When I was first learning about interfaces I was given this analogy: “Interfaces are like contracts that specify what a class has to implement”. When a class uses an interface it must implement everything that the interface specifies.

C# Extension Methods

TslaOctober 19, 2019January 13, 20240

In this tutorial, we will take a look at extension methods in C#. If you have a class that you don’t own or is sealed you won’t be able to add anything to it. In such cases, you can use extension methods which will be “glued” on to the class. This enables you to add your code to a class without modifying it or creating a new derived class.

C# Working With Strings

TslaOctober 17, 2019January 13, 20240

In this tutorial, we will learn how to work with and manipulate strings in C#. Let’s have a look at the code below to work with strings.

C# Polymorphism

TslaOctober 15, 2019January 13, 20240

In this tutorial, we will take a look at polymorphism, the virtual and the override keywords in C#. Polymorphism is one of the main concepts of OOP(object-oriented programming). It means that child classes can be viewed as parent classes at run time. Suppose we have a method that takes a parent class as an input. We can pass it the derived class and everything will still work. This can work because the child method inherits the required members from the parent class.

C# Base Keyword

TslaOctober 13, 2019January 14, 20240

In this tutorial, we will take a look at the base keyword in C#. The base keyword is used to get the members of the parent class. In this example, we will call the constructor from the parent class. By doing so we can avoid duplicating the code.

C# Inheritance

TslaOctober 11, 2019January 14, 20240

In this tutorial, we will take a look at the base keyword in C#. Inheritance means that one class can inherit members from another class. This is one of the fundamental concepts in OOP(object-oriented programming).

C# Code Snippets IEnumerable IEnumerator and Yield

C# IEnumerable and IEnumerator

TslaOctober 9, 2019January 15, 20240

In this tutorial, we will take a look at the IEnumerator and IEnumerable in C#. Making an object enumerable will allow us to iterate over it with something like the foreach loop. IEnumerable is an interface that specifies what has to be implemented to make an object iterable(an object that can be iterated over). For an object to be iterable it has to have a GetEnumerator() method that returns an object of type IEnumerator.