What is the purpose of abstract class in c#?

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What is difference between dictionary and list in c#?

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Explain synchronous and asynchronous operations?

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What is private and shared assembly?

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How do destructors and garbage collection work in c#?

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Tell me the difference between call by value and call by reference.

0 Answers   NIIT,

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i have a question which is quite simple but yet complicated for me my question is why do we use void, if it does not return anything to the compiler? if it is used for normal display it can also be done by what is called Console.Write() or Consol.WriteLine() and if i do not use void with my method then my compiler throws me an error. if i return a value say integer then i write public int fun() display of the result can also be done here then why is it so necessary to use void with a function and why so compiler throw us an error if v don't use void return type?

2 Answers  

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List the difference between the virtual method and the abstract method?

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Explain polymorphism in c# with a simple example?

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What is difference between function and method in c#?

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Write the sample code for threading in c# .net..

4 Answers   Logica CMG,

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What is reflection in c#?

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