Interview Questions and Answers

StringBuilder is more efficient in the cases, where a lot of manipulation is done to the text. Strings are immutable, so each time it�s being operated on, a new instance is created.

You never use System. Array directly. You can store items whose data type is equivalent to, or derived from, the data type of the array. This means that you can store multiple data types, provided that they derive from a common base type, or implement a common interface.

The first one performs a deep copy of the array, the second one is shallow.

By calling Sort() and then Reverse() methods.

HashTable.

A sorted HashTable.

Yes.

A catch block that catches the exception of type System.Exception. You can also omit the parameter data type in this case and just write catch {}.

No, once the proper catch code fires off, the control is transferred to the finally block (if there are any), and then whatever follows the finally block.

Well, if at that point you know that an error has occurred, then why not write the proper code to handle that error instead of passing a new Exception object to the catch block? Throwing your own exceptions signifies some design flaws in the project.

A delegate object encapsulates a reference to a method. In C++ they were referred to as function pointers.

It�s a delegate that points to and eventually fires off several methods.

Assembly versioning allows the application to specify not only the library it needs to run (which was available under Win32), but also the version of the assembly.

An MSI installer, a CAB archive, and XCOPY command.

When you write a multilingual or multi-cultural application in .NET, and want to distribute the core application separately from the localized modules, the localized assemblies that modify the core application are called satellite assemblies.

System.Globalization, System.Resources.

Single-line, multi-line and XML documentation comments.

Compile it with a /doc switch.