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(); }

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

How you can display different data at run time and design time?

Which of the following is the object oriented way to handle run time errors? (Choose all that apply)

Which of the following statements is correct about the difference between Static readonly and const?

If 's1' and 's2' are references to two strings, then which of the following is the correct way to compare the two references?

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

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'); } }

What does the @ symbol do when used in C# code?

How many generations does the garbage collector in .NET employ?

Byte b1 = 1; Byte b2 = 2; Console.WriteLine(b1 + b2);