Java
http://d.hatena.ne.jp/Syo-Takasaki/20070724/1185254111
参考に。
jdk6は入れたが、
~$ java -version java version "1.5.0" gij (GNU libgcj) version 4.3.2 Copyright (C) 2007 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
sun の jvm じゃない。どうやって変えるのか?