The following program is expected to run, and after 500 ms write "OK" and exit, but fails to do that. How would you fix this? class Test { int foo; static void Main() { var test = new Test(); new Thread(delegate() { Thread.Sleep(500); test.foo = 255; }).Start(); while (test.foo != 255) ; Console.WriteLine("OK"); } }

How does LINQ lambda syntax differ from LINQ query syntax in terms of capabilities?

String a = 'hello'; String b = 'hello'; var answer = object.ReferenceEquals(a, b); What is the value of answer?

Which of the following keywords is not reserved in C#

What can lambda expressions be turned into by the C# compiler

In the context of (A | B) and (A || B), the (A || B) boolean evaluation is known as what?

Which of the following stream class method you can use for the close connection?

What is output for the following set of Code? static void Main(string[] args) { String obj = 'hello'; String obj1 = 'world'; String obj2 = obj; string s = obj+' '+obj1; Console.WriteLine(s.IndexOf(r)); Console.ReadLine(); }

Choose the incorrect statement about delegates?

Which of the following best describes the correct usage of exception handling over conventional error handling approaches? a) Errors can be ignored but exceptions cannot be ignored. b) Exception handling allows separation of the program’s logic from the error handling logic, making software more reliable and maintainable. c) try – catch – finally structure allows guaranteed clean up in event of errors under all circumstances.

Strings built using the String class are immutable, whereas those built using the StringBuilder class are mutable?