.NET Programming MCQs with answers Page - 54

Here, you will find a collection of MCQ questions on .NET Programming. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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A

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Q. Which type cannot be inherited in C#?

  • (A) abstract class
  • (B) sealed class
  • (C) interface
  • (D) partial class

A

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Q. Which method is used to add an item at the end of List<T>?

  • (A) Insert()
  • (B) Add()
  • (C) Append()
  • (D) Push()

A

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Q. What will be the output?

Code:
Console.WriteLine(string.Concat("Dot", "Net"));
  • (A) Dot Net
  • (B) Dot+Net
  • (C) DotNet
  • (D) Compilation error

A

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Q. Which keyword is used to define an interface?

  • (A) class
  • (B) abstract
  • (C) interface
  • (D) implements

A

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Q. What will be printed?

Code:
int x = 5;
if(x != 5)
    Console.WriteLine("A");
else
    Console.WriteLine("B");
  • (A) A
  • (B) B
  • (C) Nothing
  • (D) Error

A

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Q. Which LINQ method sorts data?

  • (A) Where()
  • (B) Select()
  • (C) OrderBy()
  • (D) GroupBy()

A

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Q. What will be the output?

Code:
var nums = new int[]{2,4,6};
Console.WriteLine(nums.All(n => n % 2 == 0));
  • (A) True
  • (B) False
  • (C) 0
  • (D) Compilation error

A

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Q. Which block always executes in exception handling?

  • (A) try
  • (B) catch
  • (C) finally
  • (D) throw

A

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Q. What will be printed?

Code:
for(int i = 0; i < 2; i++)
{
    Console.WriteLine(i);
}
  • (A) 0
  • (B) 0 1
  • (C) 1 2
  • (D) Compilation error

A

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Q. Which keyword is used to return a value from method?

  • (A) get
  • (B) send
  • (C) return
  • (D) output