Which one is correct to declare an interface in a class?

-By making all the methods pure virtual in a class
-By making all the methods abstract using the keyword abstract in a class
-By declaring the class as interface with the keyword interface
-It is not possible to create interface class in C++

• c++ does not support interfaces
  but to demonstrate we can go for second option
  
  b) By making all the methods abstract using the keyword abstract in a class
• 10 years agoHelpfull: Yes(2) No(0)
• c++ do not support interfaces
• 10 years agoHelpfull: Yes(1) No(1)
• It is not possible to create interface class in C++
  
• 8 years agoHelpfull: Yes(1) No(0)
• -by making all functions as pure virtual functions.
• 4 years agoHelpfull: Yes(1) No(0)