What does "data abstraction" exactly mean? - Stack Overflow
Sep 3, 2010 · Data Abstraction: It is used to provide the necessary information to the user and hide the unnecessary information from the user. It is called data abstraction. It will hide your business logic from outside the world. Technical Example: Console.WriteLine(); Non Technical Example: TV remote, Car Remote. More Detail: Data Abstraction with real ...
Difference in Information hiding and data abstraction?
Jun 23, 2016 · Abstraction is most useful in the analysis and design phase because it allows you to talk in terms of the abstract data type (eg. Telephone Number) without having to worry how it will be implemented. A more familiar type, string is an abstraction of text: you manipulate string without knowing how it is implemented.
oop - Data Abstraction in C - Stack Overflow
Oct 6, 2013 · The kernel can then call these functions for any I/O driver without the need to know anything about the device. This is an example of abstraction in C. See this article to read more about this particular example. Another form of data abstraction is opaque pointers. An opaque data type is declared in a header file, but the definition is never ...
Difference between abstraction and encapsulation? - Stack Overflow
Apr 13, 2009 · Abstraction is the process of generalisation: taking a concrete implementation and making it applicable to different, albeit somewhat related, types of data. The classical example of abstraction is C’s qsort function to sort data: The thing about qsort is that it doesn't care about the data it sorts — in fact, it doesn’t know what data it ...
Abstraction VS Information Hiding VS Encapsulation
Aug 24, 2008 · Abstraction - It is the process of identifying the essential characteristics of an object without including the irrelevant and tedious details. Encapsulation - It is the process of enclosing data and functions manipulating this data into a single unit. Abstraction and Encapsulation are related but complementary concepts.
oop - A precise explanation of encapsulation, data abstraction and …
Jan 6, 2012 · "data abstraction" is regrouping different kind of data under the same abstraction. It is close to the idea of a protocol. You don't know how the object is implemented, but you know it respect a well-known protocol, i.e a set of method that works over different type of data. In python, file-like object are a good example. In Java, one uses ...
Simple way to understand Encapsulation and Abstraction
Apr 15, 2013 · Data Abstraction: DA is simply filtering the concrete item. By the class we can achieve the pure abstraction, because before creating the class we can think only about concerned information about the class. Encapsulation: It is a mechanism, by which we protect our data from outside.
What's the difference between abstraction and encapsulation?
Jul 30, 2014 · Difference between Abstraction and Encapsulation :-Abstraction. Abstraction solves the problem in the design level. Abstraction is used for hiding the unwanted data and giving relevant data. Abstraction lets you focus on what the object does instead of how it does it. Abstraction- Outer layout, used in terms of design.
Difference between Data abstraction and procedural abstraction in …
In Java, when it comes to data abstraction, it means while designing/defining the classes itself, you need to identify only those attributes of class which are relevant to that domain. For example, if Person is an entity, it can have many attributes such as first name, surname, salary, spouse, age, height, weight, blood group.
What is abstraction? - Stack Overflow
Aug 11, 2011 · I see abstraction in processes. I see abstraction in data. I see that abstraction is losing the unimportant details. I see that abstraction is giving a group of elements a name and treating them as one unit. (But I don't know why that is considered abstraction. So, please I need clarification on this particular point)