We’ll learn more about methods in the later chapters. The signature/syntax of the Main() method is: So it is mandatory for a C# program to have a Main() method. The execution of every C# program starts from the Main() method. Since, C# is an object-oriented programming language, creating a class is mandatory for the program’s execution. The above statement creates a class named - Hello in C#. To get a detailed overview of namespaces, visit C# Namespaces. Just think of namespace as a container which consists of classes, methods and other namespaces. Here we are creating a namespace called HelloWorld. The namespace keyword is used to define our own namespace. To learn more about comments in C#, visit C# comments. They are intended for the developers to better understand a piece of code. Comments are not executed by the C# compiler. indicates the beginning of a comment in C#. Let's break down the program line by line.
How the "Hello World!" program in C# works? When you run the program, the output will be: Hello World! "Hello World!" in C# // Hello World! program The purpose of this program is to get us familiar with the basic syntax and requirements of a programming language. It simply prints Hello World! on the output screen. The “Hello World!” program is often the first program we see when we dive into a new language.
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