MCQOPTIONS
Saved Bookmarks
| 1. |
Which of the following are essential features of object-oriented programming languages? Abstraction and encapsulation Strictly-typedness Type-safe property coupled with sub-type rule Polymorphism in the presence of inheritance |
| A. | 1 and 2 only |
| B. | 1 and 4 only |
| C. | 1,2 and 4 only |
| D. | 1,3 and 4 only |
| Answer» C. 1,2 and 4 only | |