What are the modified keyword knowledge points of the definition of class members in C #

This article shows you the definition of C#class members modified keyword knowledge points, concise and easy to understand, absolutely can make you shine, through the detailed introduction of this article I hope you can gain something.

There are four main ones:

public--Members can be accessed by any code.

private--Members are accessible only by code in the class (this keyword is used by default if no keyword is used).

internal--A member can only be accessed by code internal to the assembly (project) in which it is defined.

protected A member can only be accessed by code in a class or derived class.

Specific to the field there are two additional:

readonly--Indicates that this field can only be assigned during constructor execution or by an initialization assignment statement.

static--Static fields must be accessed through the class that defines them, not through an object instance of that class.

const--keyword const to create a constant value.

Content expansion:

Modifiers that can be applied to classes and structs

(1)abstract: Indicates that a class can only be a base class of other classes.

Can be used with classes, methods, properties, indexers, and events. Use the abstract modifier in a class declaration to indicate that a class can only be a base class of other classes. Members marked as abstract or contained in an abstract class must be implemented by a class derived from the abstract class.

(2)sealed: Specifies that the class cannot be inherited.

Can be applied to classes, instance methods, and attributes. Sealed classes cannot be inherited. A sealed method overrides a method in the base class, but it cannot itself be further overridden in any derived class. The sealed modifier must always be used with override when applied to a method or property.

Using the sealed modifier in a class declaration prevents inheritance of this class

(3)static: Declares a member that belongs to the type itself rather than to a specific object.

Declares static members that belong to the type itself rather than to a specific object. Can be used with classes, fields, methods, properties, operators, events, and constructors, but not with indexers, destructors, or types other than classes.

(4)partial: Defines partial classes and structures throughout the same assembly.

Partial type definitions allow you to split the definition of a class, structure, or interface into multiple files.

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