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1<?xml version='1.0' encoding="UTF-8"?> 1<?xml version='1.0' encoding="UTF-8"?>
2<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/java.xml,v 1.9 2003/11/15 00:35:19 neysx Exp $ --> 2<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/java.xml,v 1.10 2003/11/16 15:35:59 swift Exp $ -->
3<!DOCTYPE guide SYSTEM "/dtd/guide.dtd"> 3<!DOCTYPE guide SYSTEM "/dtd/guide.dtd">
4 4
5<guide link = "/doc/en/java.xml"> 5<guide link = "/doc/en/java.xml">
6 <title>Gentoo Java Guide</title> 6 <title>Gentoo Java Guide</title>
7 <author title="Author and Editor"> 7 <author title="Author and Editor">
8 <mail link="karltk@gentoo.org">Karl Trygve Kalleberg</mail> 8 <mail link="karltk@gentoo.org">Karl Trygve Kalleberg</mail>
9 </author> 9 </author>
10 <author title="Editor">
11 <mail link="swift@gentoo.org">Sven Vermeulen</mail>
12 </author>
10 13
11 <abstract> 14 <abstract>
12 Users' and Developers' Guide to Java in Gentoo 15 Users' and Developers' Guide to Java in Gentoo
13 </abstract> 16 </abstract>
14 17
15 <license/> 18 <license/>
16 19
17 <version>0.1.2</version> 20 <version>0.1.3</version>
18 <date>September 4, 2002</date> 21 <date>November 16, 2003</date>
19 22
20 <chapter> 23 <chapter>
21 <title>Installing a JDK/JRE</title> 24 <title>Installing a JDK/JRE</title>
22 <section> 25 <section>
23 <title>Overview</title> 26 <title>Overview</title>
78 <title>Overview</title> 81 <title>Overview</title>
79 82
80 <body> 83 <body>
81 84
82 <p>Gentoo has the ability to have multiple JDKs and JREs installed 85 <p>Gentoo has the ability to have multiple JDKs and JREs installed
83 without them conflicting. There are a few caveats to this, as noted 86 without them conflicting.
84 below.
85 </p> 87 </p>
86 88
87 <p>Using the <c>java-config</c> tool, you can set the system-wide 89 <p>Using the <c>java-config</c> tool, you can set the system-wide
88 default if you have root access. Users can also use <c>java-config</c> 90 default if you have root access. Users can also use <c>java-config</c>
89 to set up their own personal default, that is different from the 91 to set up their own personal default, that is different from the
225 </ul> 227 </ul>
226 228
227 </body> 229 </body>
228 </section> 230 </section>
229 </chapter> 231 </chapter>
230
231 <chapter>
232 <title>Caveats</title>
233 <section>
234 <title>General</title>
235
236 <body>
237
238 <p>If you select a JRE as your default VM, you may not have a
239 <c>javac</c> command handy at all times, unless you have manually
240 installed a symlink to take care of that.
241 </p>
242
243 <p>Jikes will be used to compile some of the largest packages, if it
244 is available. With time, we hope to be able to compile all
245 java-dependent packages with Jikes, so some dependencies on the JDK
246 can be replaced with a dependency on the JRE.</p>
247
248 <p>With some versions of Portage, doing an <c>emerge --update world</c>
249 will install the JDK regardless if whether you have it
250 installed before or not. This is a known bug addressed in later
251 versions of Portage.
252 </p>
253
254 </body>
255 </section>
256 </chapter>
257</guide> 232</guide>

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