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 SDK vs JRE
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Spartan_117




PostPosted: Thu Jul 28, 2005 11:05 am   Post subject: SDK vs JRE

maybe im stupid and i should know this, but i dont the exact difference between these two. I know to program in Java all i need is the SDK, but what exactly is JRE needed for?

also do i hav to get both of these updates (i found on the Java site)?


J2SE 5.0
J2SE 1.4.2
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wtd




PostPosted: Thu Jul 28, 2005 11:26 am   Post subject: (No subject)

The Java SDK includes the JRE.

SDK: Software Development Kit. This includes everything you need to write Java programs.

JRE: Java Runtime Environment. This includes everything you need to run Java programs.

Java 1.5.0 is newer than Java 1.4.2. You only need 1.5.0.
Spartan_117




PostPosted: Thu Jul 28, 2005 12:11 pm   Post subject: (No subject)

hmmm now i understand.. but im wondering why anyone would get JRE on its own. and what about those updates, do both need to be downloaded? also, is JDK the same as SDK?
wtd




PostPosted: Thu Jul 28, 2005 4:44 pm   Post subject: (No subject)

Spartan_117 wrote:
hmmm now i understand.. but im wondering why anyone would get JRE on its own. and what about those updates, do both need to be downloaded? also, is JDK the same as SDK?


Yes, JDK is usually short for Java Development Kit. Haven't heard that term in ages, though. I've mostly heard Java SDK recently.

No, both do not need to be downloaded.

People would have just the JRE because all they care about is running Java programs, like applets on web sites. Far fewer people (but still a substantial number) actually write Java programs.
[Gandalf]




PostPosted: Thu Jul 28, 2005 5:04 pm   Post subject: (No subject)

People get JRE because most people want to have a java compatible browser (use java applets and that kind of thing) while not so many people program in Java (SDK).

Isn't SDK 5.0 the same thing as SDK 1.5.0? You only need to download the newest version, at all.

*edit* Dang, I didn't refresh in a while. Oh well.
wtd




PostPosted: Thu Jul 28, 2005 5:06 pm   Post subject: (No subject)

[Gandalf] wrote:
Isn't SDK 5.0 the same thing as SDK 1.5.0?


Yes. Sun sucks at naming things.
Spartan_117




PostPosted: Fri Jul 29, 2005 8:30 am   Post subject: (No subject)

wtd wrote:
[Gandalf] wrote:
Isn't SDK 5.0 the same thing as SDK 1.5.0?


Yes. Sun sucks at naming things.


lol. i noticed that, why the hell do they hav JDK 5.0 and SDK 1.5.0???? it confuses the shit out of ppl.
Aziz




PostPosted: Fri Jul 29, 2005 8:42 am   Post subject: (No subject)

It was a significant change from 1.4, and (I've read this on their site) that's the new way of naming the kits (Java SDK 5.0 is the name, Java SDK 1.5.0 is th technicall version). At least that's may understanding, and the Lord knows I've been wrong before...oh so many timea.... Laughing
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Spartan_117




PostPosted: Fri Jul 29, 2005 11:17 am   Post subject: (No subject)

lol,

so it wont matter if i get JDK 5 or SDK 1.5.0 rite?
Aziz




PostPosted: Fri Jul 29, 2005 12:07 pm   Post subject: (No subject)

Should be the same thing. Is there too different downloads? What's the page that you're trying to download it from...?

Here's the correct page:

https://jsecom15b.sun.com/ECom/EComActionServlet;jsessionid=BB977595FCDE50BB55F29FCC97F6A493
Spartan_117




PostPosted: Fri Jul 29, 2005 12:47 pm   Post subject: (No subject)

Aziz wrote:
Should be the same thing. Is there too different downloads? What's the page that you're trying to download it from...?

Here's the correct page:

https://jsecom15b.sun.com/ECom/EComActionServlet;jsessionid=BB977595FCDE50BB55F29FCC97F6A493


Well i went to a website (First Cup of Java: http://java.sun.com/docs/books/tutorial/getStarted/cupojava/win32.html) and it says i need the SDK at this website: http://java.sun.com/j2se/1.4.2/download.html

But then while browsing throught this website i also found JDK at this link:
http://java.sun.com/j2se/1.5.0/download.jsp

this is what confused me to death
Aziz




PostPosted: Fri Jul 29, 2005 1:03 pm   Post subject: (No subject)

You'll definitly want 5.0, its new version then 1.4.2
rizzix




PostPosted: Fri Jul 29, 2005 1:05 pm   Post subject: (No subject)

ok look. just read the Java Newsflash it explains the naming confusion..
[Gandalf]




PostPosted: Fri Jul 29, 2005 1:18 pm   Post subject: (No subject)

Download the last thing, the other site is outdated.

So was 1.4.0 called 4.0 too?
rizzix




PostPosted: Fri Jul 29, 2005 1:22 pm   Post subject: (No subject)

no the 5.0 thing started out with version 1.5.x
in addition to that, things have changed from 6.0 onwards...

it is no longer J2SE 6.0, but Java SE 6.. simpler? yes i thought so too.
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