What does the "is" keyword do in C#?
A. Checks if an object is null
B. Checks if an object is of a certain type
C. Checks if an object is empty
D. None of the above
Answer: Option B
This Question Belongs to C Sharp Programming >> Miscellaneous In C Sharp
What is the purpose of the "using" keyword in C#?
A. To define namespaces
B. To declare variables
C. To import external libraries
D. To create instances of classes
What does the "break" keyword do in a switch statement?
A. Exits the switch statement
B. Skips the current iteration
C. Continues to the next iteration
D. Throws an exception
Which of the following is NOT a valid C# access modifier?
A. public
B. internal
C. protected
D. private
What is the purpose of the "readonly" keyword in C#?
A. To declare a constant
B. To prevent a variable from changing
C. To allow a variable to be changed
D. To declare a static variable
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