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Data abstraction

hi all, what exactly does data abstraction mean in OOPS terminology, can anyone explain it with an example. And what is data hiding?are both same?

[167 byte] By [Manthanaa] at [2007-11-27 7:29:24]

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# 1

Data Abstraction: http://en.wikipedia.org/wiki/Data_abstraction#Abstraction_in_object_oriented_programmingData Hiding: http://en.wikipedia.org/wiki/Data_hidingI suggest reading this too: http://www.developer.com/design/article.php/3525076Joe

Joe_ha at 2007-7-12 19:09:33 >

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# 2

> Data Abstraction:

> http://en.wikipedia.org/wiki/Data_abstraction#Abstract

> ion_in_object_oriented_programming

> Data Hiding:

> http://en.wikipedia.org/wiki/Data_hiding

> I suggest reading this too:

> http://www.developer.com/design/article.php/3525076

> Joe

Thanx a lot joe, the links were too good especially the last one.

Manthanaa at 2007-7-12 19:09:33 >

# 3

Google is Law.JoeP.S. Happy they worked!

Joe_ha at 2007-7-12 19:09:33 >

# 4

> Google is Law.Unfortunately posting questions and getting others to search for you appears to be the law here.

floundera at 2007-7-12 19:09:33 >

# 5

Back in my day we had to walk 4 miles in the snow, uphill both ways to get to the library to look this stuff up.Joe.

Joe_ha at 2007-7-12 19:09:33 >

# 6

and eat a handful of hot gravel on the way.

floundera at 2007-7-12 19:09:33 >

# 7

You got to walk? We had to drag ourselves by our bare boIIocks, and the snow was made of rusty, jagged, electric cattle prods. And we were grateful.

jverda at 2007-7-12 19:09:33 >

# 8

**** straight

Joe_ha at 2007-7-12 19:09:33 >

# 9

> You got to walk? We had to drag ourselves by our bare> boIIocks, and the snow was made of rusty, jagged,> electric cattle prods. And we were grateful.LUXURY!

floundera at 2007-7-12 19:09:33 >

# 10

Data Abstraction focuses on the essentials while Data Hiding is termed as Encapsulation.

dadaa at 2007-7-12 19:09:33 >

# 11

> Data Abstraction focuses on the essentials while Data> Hiding is termed as Encapsulation.I'm sorry, but I don't really think that provides any useful information.

jverda at 2007-7-12 19:09:33 >

# 12

> > Data Abstraction focuses on the essentials while

> Data

> > Hiding is termed as Encapsulation.

> I'm sorry, but I don't really think that provides any

> useful information.

Unlike the previous 5 or so replies which were very informative.

floundera at 2007-7-12 19:09:33 >

# 13

> > > Data Abstraction focuses on the essentials while

> > Data

> > > Hiding is termed as Encapsulation.

> >

> > I'm sorry, but I don't really think that provides

> any

> > useful information.

> Unlike the previous 5 or so replies which were very

> informative.

Well, at least those were blatantly not intending to be. :-)

jverda at 2007-7-12 19:09:33 >

# 14

i am also a beginner and my intention is to help and make other beginner's understand a topic in a very basic manner or should i say "in layman's term". so if you think that my answer to the question is not useful or not informative at all, then fine. i don't give comments which is not related to the topic. whatever their answer is, whether it is informative or not, i respect it. when you are the one who has a problem i am sure any help you can get would be appreciated, because at least you know there's someone out there who is trying to help. i not an expert on java, so fine, i accept your comment. i hope you are happy.

dadaa at 2007-7-12 19:09:33 >

# 15

> when you are the one who has a

> problem i am sure any help you can get would be

> appreciated,

Yes, but comments that contain no information and are useless at best and confusing at worst are not appreciated.

Don't take this personally. I'm not attacking you. I'm merely informing you that your answer didn't really help, in the hopes that you'll see what others' answers say, learn from it, and provide more useful answers in the future.

jverda at 2007-7-21 22:15:32 >

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