What does the 'using' directive do in C#?
A. Defines classes
B. Declares variables
C. Imports namespaces
D. Handles exceptions
Answer: Option C
A. Defines classes
B. Declares variables
C. Imports namespaces
D. Handles exceptions
Answer: Option C
What is the correct syntax to declare a variable in C#?
A. num = int;
B. var num;
C. num int;
D. int num;
What is the purpose of the 'var' keyword in C#?
A. Declares a constant
B. Converts a variable to string
C. Implicitly declares a variable
D. Defines a method
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