What is the name of the Java concept that uses access modifiers to protect variables and hide them within a class? 

Answer options:

A. Encapsulation
B. Inheritance
C. Abstraction
D. Instantiation
E. Polymorphism

A

Using the private modifier is the main way that an object encapsulates itself and hide data from the outside world. Reference: http://www.tutorialspoint.com/java/java_access_modifiers.htm