ubuntu 10.10 install sun-java5-jdk-Meacheal-ChinaUnix博客

9.10/10.04/10.10 add ubuntu 9.04 line to you /etc/apt/sources.list

deb jaunty multiverse
deb jaunty-updates multiverse

#sudo apt-get update
#sudo apt-get install sun-java5-jdk

#update-alternatives --config java

#update-alternatives --config javac

显示如下，然后键入java-1.5.0-sun的编号：
有 2 个选项可用于替换项 java (提供 /usr/bin/java)。

选择       路径                                    优先级状态
------------------------------------------------------------
* 0            /usr/lib/jvm/java-6-openjdk/jre/bin/java   1061      自动模式
1            /usr/lib/jvm/java-1.5.0-sun/jre/bin/java   53        手动模式
2            /usr/lib/jvm/java-6-openjdk/jre/bin/java   1061      手动模式

Selection    Path                                   優先級 Status

------------------------------------------------------------
0            /usr/lib/jvm/java-6-openjdk/bin/javac   1061      auto mode
1            /usr/bin/ecj                            143       manual mode
2            /usr/bin/gcj-wrapper-4.4                1044      manual mode
* 3            /usr/lib/jvm/java-1.5.0-sun/bin/javac   53        manual mode
4            /usr/lib/jvm/java-6-openjdk/bin/javac   1061      manual mode

查看当前的java版本：
#java -version

java version "1.5.0_22"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_22-b03)
Java HotSpot(TM) Client VM (build 1.5.0_22-b03, mixed mode, sharing
)