Which of these statements correctly declares a two-dimensional array in C#?

C# Interview Questions and Answers

(Continued from previous question...)

14. Which of these statements correctly declares a two-dimensional array in C#?

1. int[,] myArray;
2. int[][] myArray;
3. int[2] myArray;
4. System.Array[2] myArray;

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Other Interview Questions

• What's C#
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• How do you mark a method obsolete?
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• How do I simulate optional parameters to COM calls?
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• Which of these string definitions will prevent escaping on backslashes in C#?
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• What is a delegate?
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• Which .Gang of Four. design pattern is shown below?
• In the NUnit test framework, which attribute must adorn a test class in order for it to be picked up by the NUnit GUI?
• Which of the following operations can you NOT perform on an ADO.NET DataSet?
• In Object Oriented Programming, how would you describe encapsulation?
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• How can you tell the application to look for assemblies at the locations other than its own install?
• How can you debug failed assembly binds?
• Where are shared assemblies stored?
• How can you create a strong name for a .NET assembly?
• Where’s global assembly cache located on the system?
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• I was trying to use an "out int" parameter in one of my functions. How should I declare the variable that I am passing to it?
• How do I make a DLL in C#?
• How do I simulate optional parameters to COM calls?
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• Is there regular expression (regex) support available to C# developers?
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• How do I register my code for use by classic COM clients?
• How do I do implement a trace and assert?
• How do I create a multilanguage, multifile assembly?
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• Where is the output of TextWriterTraceListener redirected?
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• What is the syntax for calling an overloaded constructor within a constructor (this() and constructorname() does not compile)?
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• How do I declare inout arguments in C#?
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• What is the difference between const and static read-only?
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• What is the difference between System.String and System.StringBuilder classes?
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