Java JDK Source Code?? Where to find it?

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+2 Q:

Java JDK Source Code?? Where to find it?

Hi,

I like to see what a method in the Java API does. So I want the JDK Source Code. Before I re-installed Linux I had the scr.sip file with all the code in it. I just had to tell Eclipse this file and I could see the code. But now I haven't the file anymore...

So the question is: Where can I find it?
Please don't paste the Google results here. I searched already long, but I can't find it... I need just that file. Please be sure if it is the correct file before you answer. Answering by giving an URL is enough for me.

Thanks in advance
Martijn

+3 A:

You haven't said which version you want, but the JDK 6 source code can be downloaded here, and JDK 7 here.

Additionally you can use the Mercurial servers: 6 7

Jon Skeet 2010-05-24 11:53:03

Yes; lets say I want 6 and then on that download page, what to I have do download? The big file `jdk-6u21-ea-src-b04-jrl-05_may_2010.jar, 136.48 MB`? I already downloaded that one. But doesn't contain the source code.

Martijn Courteaux 2010-05-24 12:06:25

@Martijn: Did you try downloading the big jar file and then reading the README inside it? Basically you just run it with `java -jar jdk-6u21-ea-src-b04-jrl-05_may_2010.jar`. It will extract the source.

Jon Skeet 2010-05-24 12:30:43

See also http://stackoverflow.com/questions/2803498/where-do-i-find-the-javax-crypto-source-code/

polygenelubricants 2010-05-24 12:37:39

@Jon: Yes, I did it. And I extracted it like you wrote. But there is no source jar or zip in it.

Martijn Courteaux 2010-05-24 13:31:56

@Martijn: You don't extract the jar file - you execute it. That then extracts the source to whichever directory you want. You don't end up with a zip or jar file - you end up with the source in your file system. You can then tell Eclipse to use that.

Jon Skeet 2010-05-24 13:52:54

+1 A:

This file is contained in the standard JDK download. Also your Linux system probably have JDK in the repository. In my Ubuntu Linux file is located here: /usr/lib/jvm/java-6-sun-1.6.0.20/src.zip

vsb 2010-05-24 12:22:21

Aha! Can you post which packages you have installed for your Java VM and JDK, please. Because I don't have that folder.

Martijn Courteaux 2010-05-24 12:25:37

I installed sun-java6-jdk.

vsb 2010-05-24 14:03:58

Yes!! Got it!

I downloaded the Java Developer Kit (JDK) from sun.com for Linux. There was src.zip in. But first I uninstalled all Java packages with synaptic.

Martijn Courteaux 2010-05-24 14:08:39

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Java JDK Source Code?? Where to find it?

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