Which of the following statements are incorrect?
A. public members of class can be accessed by any code in the program
B. private members of class can only be accessed by other members of the class
C. private members of class can be inherited by a subclass, and become protected members in subclass
D. protected members of a class can be inherited by a subclass, and become private members of the subclass
Answer: Option C
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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