gs gs108 Object Oriented Concepts - Interfaces Introduction - Quiz No.1
gs gs108 CSharp Quiz
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Question 1: Which statement correctly defines Interfaces in C#.NET?
Interfaces cannot be inherited
Interfaces consists of data static in nature and static methods
Interfaces consists of only method declaration
None of the mentioned
Question 2: Which of the following cannot be used to declare an interface correctly?
Properties
Methods
Structures
Events
Question 4: Which of the following statements correctly define about the implementation of interface?
The calls to implementation of interface methods are routed through a method table
A class which implements an interface can explicitly implement members of that interface
One interface can be implemented in another interface
None of the mentioned
Question 5: Select the correct statement among the given statements?
One class could implement only one interface
Properties could be declared inside an interface
Interfaces cannot be inherited
None of the mentioned
Question 6: Which keyword is used for correct implementation of an interface in C#.NET?
interface
Interface
intf
Intf
Question 7: Choose the statements which makes interface different from classes?
Unlike classes, interfaces consists of only declaration but not implementation
Interfaces cannot be used directly like classes to create new objects
Interfaces consists of declaration of methods, properties events and type definitions
All of the mentioned
Question 8: Which of the following is the correct way of implementing an interface addition by class maths?
class maths : addition {}
class maths implements addition {}
class maths imports addition {}
none of the mentioned
Question 9: Does C#.NET support partial implementation of interfaces?
True
False
Can’t Say
None of the mentioned
Question 10: Select the correct implementation of the interface which is mentioned below.
interface a1 { int fun(int i); } class a { int fun(int i) as a1.fun { } } class a: implements a1 { int fun(int i) { } } class a: a1 { int a1.fun(int i) { } }
None of the mentioned
