Delegates - General Questions Online Exam Quiz
Delegates - General Questions GK Quiz. Question and Answers related to Delegates - General Questions. MCQ (Multiple Choice Questions with answers about Delegates - General Questions
In which of the following areas are delegates commonly used?
Options
A : 1 and 2 only
B : 1 and 5 only
C : 1, 2 and 3 only
D : 4 and 5 only
Which of the following is the necessary condition for implementing delegates?
Options
A : Class declaration
B : Inheritance
C : Run-time Polymorphism
D : Exceptions
Which of the following statements are correct about the delegate declaration given below?
Options
A : 1, 2 and 3 only
B : 1, 3 and 5 only
C : 2 and 4 only
D : 4 only
Which of the following is the correct way to call the function MyFun() of the Sample class given below?
Options
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 );
Which of the following is the correct way to call subroutine MyFun() of the Sample class given below?
Options
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);
Which of the following statements are correct about a delegate?
Options
A : 1 and 2 only
B : 1, 2 and 3 only
C : 2, 3 and 4 only
D : All of the above
Which of the following statements are correct about delegates?
Options
A : 1 and 2 only
B : 1, 2 and 3 only
C : 2, 4 and 5 only
D : 4 and 5 only
Which of the following statements are correct about delegates?
Options
A : Delegates cannot be used to call a static method of a class.
B : Delegates cannot be used to call procedures that receive variable number of arguments.
C : If signatures of two methods are same they can be called through the same delegate object.
D : Delegates cannot be used to call an instance function. Delegates cannot be used to call an instance subroutine.
Which of the following are the correct ways to declare a delegate for calling the function func() defined in the sample class given below?
Options
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);
Suppose on pushing a button an object is to be notified, but it is not known until runtime which object should be notified. Which of the following programming constructs should be used to implement this idea?
Options
A : Attribute
B : Delegate
C : Namespace
D : Interface
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