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In C#, what is the purpose of marking a class static?
If I have a class that has only static methods, I can mark the class static or not. Why would I want to mark the class static? Would I ever NOT want to mark a class static, if all the methods are static, and if I plan to never add a non-static method?
I looked around and saw some similar questions, but none that were just like this.
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The logical OR operator ( || ) returns the boolean value true if either or both operands is true and returns false otherwise.
In other words, we can also say that an operator is a symbol that tells the compiler to perform specific mathematical, conditional, or logical functions. It is a symbol that operates on a value or a variable. For example, + and - are the operators to perform addition and subtraction in any C program.
In C/C++, the # sign marks preprocessor directives. If you're not familiar with the preprocessor, it works as part of the compilation process, handling includes, macros, and more.
Marking a class as static is a declarative statement that you only intend for this type to have static and const members. This is enforced by the compiler and prevents you from accidentally adding an instance method to the type.
Other advantages
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Marking a class as static gets you two important things.
Compiler verification that you only put static members in a class.
An obvious statement to readers of your code that this class is only a container for static members.
The feature was invented in response to a bug in NDP v1.0, where a un-callable non-static member was included in the System.Environment class.
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