Saturday, April 2, 2011

.NET interview questions: - What is public, private, protected, internal and internal protected?

In the following manner we can describe the C# access modifiers: -

Public - The members (Functions & Variables) declared as public can be accessed from anywhere.

Private - Private members cannot be accessed from outside the class. This is the default access specifier for a member, i.e if you do not specify an access specifier for a member (variable or function), it will be considered as private. Therefore, string PhoneNumber; is equivalent to private string PhoneNumber;

Protected - Protected members can be accessed only from the child classes.

Internal - it can be accessed only within the same assembly.

Internal Protected - internal protected can be accessed within the same assembly
as well as in derived class.


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