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what is the basic difference between Jdk1.2 and jdk1.4?

Posted on 2004-04-19
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Last Modified: 2007-12-19
hai all,

  I am new to java technology. what is the difference between the JDK1.2 and JDK1.4 ? can anybody give this answer please.
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Question by:psk_karthik
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14 Comments
 
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Expert Comment

by:objects
ID: 10866074
in short they are different version of the jdk.
the differences incude both bug fixes and extra features.
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objects earned 128 total points
ID: 10866081
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by:Mayank S
Mayank S earned 124 total points
ID: 10866186
>> the differences incude both bug fixes and extra features

- can also have some features removed ;-) especially deprecated ones. You can have a look at the API:

http://java.sun.com/j2se/1.4.2/docs/api/index.html
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by:Javatm
Javatm earned 124 total points
ID: 10866287
> I am new to java technology. what is the difference between the JDK1.2 and JDK1.4 ?

Actually its 2 different version's. My 1st jdk that I've used was 1.2 and I can definitly say that
there are lot of changes needed by this version.

There came 1.3 and now its 1.5 so main difference of version is upgrades :)

You can compare then compare them :

JDK 1.2 API : http://utenti.lycos.it/yanorel6/2/ch02.htm
JDK 1.4 API : http://java.sun.com/j2se/1.4.2/docs/api

Hope that helps . . .
Javatm
 

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Expert Comment

by:Javatm
ID: 10866300
If new things are added and bugs are fixed they are added in new releases sometimes
beta or the the final release.

Hope that helps . . .
Javatm
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Expert Comment

by:objects
ID: 10866436
> can also have some features removed ;-) especially deprecated ones.

deprecated fetaures, are not removed features :)
can't think of anything that has been removed off the top of my head between 1.2 and 1.4.
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LVL 30

Expert Comment

by:Mayank S
ID: 10867351
>> deprecated fetaures, are not removed features :)

I meant - what is deprecated in one version would be removed in the future version.

>> can't think of anything that has been removed off

As a matter of fact, even I don't remember anything something being removed.
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Expert Comment

by:sanjayjay
ID: 10868175
The difference between jdk 1.2 and 1.4 is the version with lots of additional classes
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by:sciuriware
sciuriware earned 124 total points
ID: 10871505
objects, System.getenv() was effectively removed in 1.4  (re-added in 1.5)

psk_karthik, many many things that were missing and that we started to write ourselves
are now in 1.4, and thus standard.
You can always use 3rd party classes, but it's better to find them in JAVA itself.

;JOOP!
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by:Mayank S
ID: 11678161
Split: objects, mayankeagle, Javatm, sciuriware.
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by:sciuriware
ID: 11755908
Thanks; honoured.

;JOOP!
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