Level 119 Level 121
3 words 0 ignored
Ready to learn Ready to review
Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.
Encapsulation, inheritance, polymorphism and abstraction.
4 fundamental OOP concepts
a mechanism of wrapping the data (variables) and code acting on the data (methods) together as as single unit
To achieve encapsulation
Declare the variables of a class as private.