Can you declare a class or a struct as constant?

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When do you absolutely have to declare a class as abstract (as opposed to free-willed educated choice or decision based on UML diagram)?

2 Answers   Mind Tree,

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int i = 1; int j = 1; System.Console.WriteLine(i == j); System.Console.WriteLine(i.ToString() == j.ToString()); System.Console.WriteLine((object)i == (object)j); Give the sample code above, what is the output to the console?

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How does array sort work?

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What does private void mean in c#?

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Can we create extension method for interface?

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Why is it important to override gethashcode when equals method is overridden?

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What is difference between class and abstract class in c#?

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class Employee { stat9c Method1() static Method2(ref a) stat9c Method3(out x) } class Employee { stat9c Method1() static Method2(ref a) stat9c Method3(out x) } what will happen & why?

2 Answers  

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What is command object in c#?

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What?s a delegate?

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Explain the use of virtual, sealed, override, and abstract method?

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