Functions Multiple Choice Questions (MCQ) PDF - 28

MCQ 136: Select the wrong statement about ?ref? keyword in C#

1. References can be called recursively
2. The ?ref? keyword causes arguments to be passed by reference
3. When ?ref? are used, any changes made to parameters in method will be reflected in variable when con
4. None of the above

MCQ 137: The most appropriate statement is

1. An enum variable can be defined inside a class or a namespace.
2. An enum variable cannot have a private access modifier.
3. An enum variable cannot have a public access modifier.
4. An enum variable cannot have a protected access modifier.

MCQ 138: Type that converts to a small floating point number is

1. TOInt64
2. ToByte
3. ToSingle
4. ToInt32

MCQ 139: A garbage collector is used

1. To free the recycle bin.
2. To make sure that memory used by an application is freed when no longer in use.
3. To reuse the code in multiple applications
4. Both b and c

MCQ 140: A static constructor can never be called directly, instead it is executed when

1. an instance of class containing the static constructor is created
2. A static member of the class containing the static constructor is accessed
3. Both a and b
4. when an object is called