Global Quest Solutions GQS Senior .NET Developer Interview Questions and Answers

A private constructor is a constructor that can only be accessed within the class in which it is defined.

• Private constructors are used to prevent the instantiation of a class from outside the class itself.

• They are commonly used in classes that contain only static members and do not need to be instantiated.

• Private constructors are also used in singleton design pattern to ensure that only one instance of a class can be c

Event and Delegate code example in C#

• Create a delegate with the signature of the method you want to subscribe to

• Define an event using the delegate type

• Subscribe to the event by adding methods to the event delegate

• Raise the event to notify subscribers

Code to reverse a string in C# using built-in methods

• Use the ToCharArray method to convert the string to a character array

• Use the Array.Reverse method to reverse the character array

• Use the string constructor to create a new string from the reversed character array