C# Fundamentals: Hello World Console Application

C# distinguishes identifiers based on their capitalization.

Namespaces can contain classes and enumerations, organizing code into logical groups.

Global using directives import namespaces for the entire application, reducing the need for repetitive using statements in each file.

Assigning a value of an incompatible type to a declared variable results in a compilation error, ensuring type safety.

Implicit data typing allows the compiler to determine the type of a variable based on the assigned value, using the var keyword.

Classes in one namespace are not directly accessible to code in other namespaces without proper referencing or using directives.

Inheritance is the process of creating new classes (derived classes) by extending existing ones (base classes), inheriting their properties and methods.

The this keyword represents the current instance of the class, allowing you to access its members.

The public access modifier allows a member to be accessed from any other code, regardless of location.

Constructors are special methods used to create new objects/instances of a class, often initializing their state.

The System.Collections.Generic namespace contains classes for generic collections like List<T> and Dictionary<TKey, TValue>.

The base keyword is used to call the default constructor of the base class when creating instances of derived classes, ensuring proper initialization.

Inheritance involves a class inheriting from one base class and implementing multiple interfaces.

Collection classes allow you to group and manage multiple related objects, such as lists and dictionaries.

An accessor (like get; private set;) allows code outside a class to read a field's value but restricts modification.