Which of the following statements are correct about an interface used in C#.NET? 1. An interface can contain properties, methods and events. 2. The keyword must implement forces implementation of an interface. 3. Interfaces can be overloaded. 4. Interfaces can be implemented by a class or a struct. 5. Enhanced implementations of an interface can be developed without breaking existing code.
1.1,2
2.1,4,5
3.3,4
4.3 only
Posted Date:-2021-02-25 10:11:55