What is difference between mutable and immutable in c#?

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Can a abstract class have a constructor?

0 Answers  

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what are delegates? How you used then in your project?

10 Answers   Hawk Eye, IndiaTimes, Kanbay,

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State two different types of access modifiers.

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What is difference between new and override in c#?

0 Answers  

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What?s the difference between an interface and abstract class?

4 Answers  

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What does addressof operator do in background ?

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Explain the difference between .net and c#?

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What is semaphore in c#?

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what r arraylist? what the use of Hashtables?

4 Answers  

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Explain the three services model (three-tier application).

3 Answers   4Cplus,

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Trace the O/p for a program on inheritance and Polymorphism. 3 classes A,B,C A with two methods public virtual SomeMethodA public virtual SomemoreMethodA B:A overide virtual SomeMethodA C:B new Method SomeMethodA override SomeMoreMethodA main method { b new instance of B b.SomeMethodA b.SomeMoreMethodA b1 new instance of C b1.SomeMethodA b1.SomeMoreMethodA }

1 Answers  

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