C#.NET INTERVIEW QUESTION & ANSWERS
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31. | What is the syntax to declare a namespace in .NET? |
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In C#, the namespace keyword is used to declare a namespace in the code. The syntax for declaring a namespace in C# is: namespace MyNamespace |
Posted by Aswini Aluri. (Nov 20, 2013) | |
system.data.datatable |
32. | How many languages .NET is supporting now? |
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When .Net was introduced it came with some 16 languages. VB.NET, C#, COBOL and PERL etc. Now .NET Framework 4.0 supports 96+ languages. |
Posted by Prathap Naidu. (Apr 22, 2013) | |
When .Net was introduced it came with some 56 languages. VB.NET, C#, COBOL and PERL etc |
33. | What is the difference between the Debug class and Trace class? |
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Use Debug class for debug builds. Use Trace class for both debug and release builds. |
34. | What is the difference between Array and Arraylist? |
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An array is a collection of the same type. The size of the array is fixed in its declaration. A linked list is similar to an array but it doesn't have a limited size. |
Posted by Sindhu. (May 02, 2014) | |
An array is a collection of the same type where as an arraylist is a collection of different types. An array is fixed in its declaration where as an arraylist can either be increased or decreased dynamically |
35. | What are methods? |
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A method represents a behavior of a class. Methods are the building blocks of a class, in which they are linked together to share and process data to produce the result. |