Explore topic-wise MCQs in Attributes .

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Attributes knowledge and support exam preparation. Choose a topic below to get started.

1.

With which of the following can the ref keyword be used? 1.Static data 2.Instance data 3.Static function/subroutine 4.Instance function/subroutine

A. 3, 4
B. 1, 2
C. 2, 4
D. 1, 3
Answer» B. 1, 2
Discussion
2.

Which of the following is the necessary condition for implementing delegates?

A. Inheritance
B. Class declaration
C. Exceptions
D. Run-time Polymorphism
Answer» C. Exceptions
Discussion
3.

With which of the following can the ref keyword be used?

A. 1, 2
B. 3, 4
C. 1, 3
D. 2, 4
Answer» C. 1, 3
Discussion
4.

Suppose a Generic class called SortObjects is to be made capable of sorting objects of any type ( Integer , Single , Byte etc.). Which of the following programming constructs should be used to implement the comparision function?

A. Namespace
B. Interface
C. Encapsulation
D. Delegate
Answer» E.
Discussion
5.

Which of the following are the correct ways to declare a delegate for calling the function func() defined in the sample class given below?

A. delegate d(int i, Single j);
B. delegate void d(int, Single);
C. delegate int d(int i, Single j);
D. delegate void (int i, Single j);
Answer» D. delegate void (int i, Single j);
Discussion
6.

Which of the following statements are correct about a delegate?

A. 1 and 2 only
B. 1, 2 and 3 only
C. 2, 3 and 4 only
D. All of the above
Answer» D. All of the above
Discussion
7.

Which of the following is the correct way to call subroutine MyFun() of the Sample class given below?

A. delegate void del( int i); Sample s = new Sample(); del d = new del( ref s.MyFun); d( 10 , 1.1 f);
B. delegate void del( int i, Single j); del d; Sample s = new Sample(); d = new del( ref s.MyFun); d( 10 , 1.1 f);
C. Sample s = new Sample(); delegate void d = new del( ref MyFun); d( 10 , 1.1 f);
D. delegate void del( int i, Single]); Sample s = new Sample(); del = new delegate ( ref MyFun); del( 10 , 1.1 f);
Answer» C. Sample s = new Sample(); delegate void d = new del( ref MyFun); d( 10 , 1.1 f);
Discussion
8.

Which of the following is the correct way to call the function MyFun() of the Sample class given below?

A. delegate void del( int i); Sample s = new Sample(); deld = new del( ref s.MyFun); d( 10 );
B. delegate int del( int i); Sample s = new Sample(.); del = new delegate ( ref MyFun); del( 10 );
C. Sample s = new Sample(); delegate void del = new delegate ( ref MyFun); del( 10 );
D. delegate int del( int i); del d; Sample s = new Sample(); d = new del( ref s.MyFun); d( 10 );
Answer» E.
Discussion
9.

Which of the following statements are correct about the delegate declaration given below?

A. 1, 2 and 3 only
B. 1, 3 and 5 only
C. 2 and 4 only
D. 4 only
Answer» C. 2 and 4 only
Discussion
10.

In which of the following areas are delegates commonly used?

A. 1 and 2 only
B. 1 and 5 only
C. 1, 2 and 3 only
D. 4 and 5 only
Answer» E.
Discussion