Learn C# .Net MCQs
Prepare C# .Net MCQs (Multiple choice Questions) for exam and job interviews.
What is the output of Console.WriteLine("Hello, World!".Substring(0, 5));?
1) Hello
2) Hello,
3) World
4) None of the above
Answer : Hello
Which of the following is a way to read user input in C#?
1) Console.ReadLine();
2) Input.Read();
3) Console.Input();
4) None of the above
Answer : Console.ReadLine();
What is the output of Console.WriteLine(2 + "2");?
1) 22
2) 4
3) Error
4) None of the above
Answer : 22
Which of the following methods is used to sort a list in C#?
1) List.Sort();
2) List.OrderBy();
3) List.Arrange();
4) None of the above
Answer : List.Sort();
What is the output of Console.WriteLine(Math.Abs(-10));?
1) 10
2) -10
3) Error
4) None of the above
Answer : 10
Which of the following is used to convert a string to an integer in C#?
1) Convert.ToInt32()
2) int.Parse()
3) Both Convert.ToInt32() and int.Parse()
4) None of the above
Answer : Both Convert.ToInt32() and int.Parse()
What is the output of Console.WriteLine(4 * 2 - 8 / 4);?
1) 8
2) 6
3) 4
4) None of the above
Answer : 6
Which of the following is a way to declare an event in C#?
1) public event EventHandler MyEvent;
2) public EventHandler MyEvent;
3) MyEvent public event;
4) None of the above
Answer : public event EventHandler MyEvent;
What is the output of Console.WriteLine(5 + 2 * 3 - 1);?
1) 10
2) 11
3) 9
4) None of the above
Answer : 10
Which of the following is used to exit a method in C#?
1) exit;
2) return;
3) break;
4) None of the above
Answer : return;