encapsulation in oop
Why is encapsulation used in OOP programming?
Encapsulation can used when dealing with secure data or methods because it can restrict which functions or users have access to certain information. Encapsulation is a key concept in object-oriented programming (OOP), where everything revolves around objects. In OOP programming, a class is a blueprint for creating objects.
What is encapsulation in Java?
Encapsulation allows you to hide specific information and control access to the object’s internal state. If you’re familiar with any object-oriented programming language, you probably know these methods as getter and setter methods. As the names indicate, a getter method retrieves an attribute and a setter method changes it.
Is encapsulation possible in non-object oriented languages?
Encapsulation is also possible in non-object-oriented languages. In C, for example, a structure can be declared in the public API via the header file for a set of functions that operate on an item of data containing data members that are not accessible to clients of the API with the extern keyword.
Can encapsulation be used to hide data members and member functions?
Under the definition that encapsulation "can be used to hide data members and member functions", the internal representation of an object is generally hidden from view outside of the object's definition. Typically, only the object's own methods can directly inspect or manipulate its fields.
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