Exception, Try, Catch – C# Programming Questions

(Last Updated On: October 21, 2016)

C# tricky and conceptual programming questions and answers with explanation asked in technical interviews.
Topic – Exception handling, Try, Catch and Throw.


Q- What is return value of the function foo()?

 

Answer: The foo() function will return 5.

Explanation: The constrol always comes in finally block, executes statements inside it and returns from it. Hence, “return 20;” statement will never execute.

There will be no compiler error and successfully get the result. But, compiler will warn that “uncreachabe code detected”.

NOTE : In finally block we can not have return statement or else compiler will flash an error i.e. “Error:Control cannot leave the body of a finally clause”.