how to prevent a class from being inherited in c#.net?

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what is class libraries?

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What is iqueryable in c#?

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how to handle errors in sqlserver

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Can abstract classes be final?

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What are abstract classes in c#?

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Ho we can see assembly information?

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What is using directive in c#?

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Is nullable type c#?

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What is the Use Of Interfaces? For example I have a interface as shown below? Interface IMyInterface { public void MyMethod(); } class MyClass : IMyInterface { public void Mymethod() { Some Code } } class Program { static void Main(string[] args) { MyClass obj = new MyClass(); obj.MyMethod(); } } Here What is My Question is? If i remove Interface and run this code, it will executed then what is the Use of the interface? Can any one give me the solution for this Problem? Thanks in Advance!

1 Answers   HCL,

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Can a dictionary have the same key?

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Name some properties of array.

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