DOT NET Interview Questions - DotNetSpider

(I) Why can not you specify accessibility modifier in
Interface ?
All elements in Interface should be public.So by default all interface elements are public
by default.
(A) What are similarities between Class and structure ?
Following are the similarities between classes and structures :-
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Both can have constructors, methods, properties, fields, constants,
enumerations, events, and event handlers.
Structures and classes can implement interface.
Both of them can have constructors without parameter and with parameter.
Both can have delegates and events.
(A) What’s the difference between Class and structure’s ?
Following are the key differences between them :-
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Structure are value types and classes are reference types.So structures use
stack and classes use heap.
Structures members can not be declared as protected , but class members can
be.You can not do inheritance in structures.
Structures do not require constructors while classes require.
Objects created from classes are terminated using Garbage collector.Structures
are not destroyed using GC.
(B) What does virtual keyword mean ?
That method and property can be overridden.
(B) What are shared (VB.NET)/Static(C#) variables?
Static/Shared classes are used when a class provides functionality which is not specific to
any instance.In short if you want a object to be shared between multiple instances you
will use a static/Shared class.
*What's the logic of link list ?
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