Build a java environment In debian

Debian: Set up a java environment-Debian information for the Linux release. The following is a detailed description. 1. Check sources. lst
Java-related software should be similar to sources. lst in the contrib category.

Deb http://debian.cn99.com/debian stable main non-free contrib

2. Download jdk1.5
# Apt-get install sun-java5-bin sun-java5-jdk sun-java5-fonts sun-java5-plugin

3. Set Environment Variables
# Vi/etc/profile

Append to/etc/profile: (my installation path is/usr/lib/jvm/java-1.5.0-sun ---> default)

PATH = $ PATH:/usr/lib/jvm/java-1.5.0-sun/bin:/usr/lib/jvm/java-1.5.0-sun/jre/bin
JAVA_HOME =/usr/lib/jvm/java-1.5.0-sun
JRE_HOME =/usr/lib/jvm/java-1.5.0-sun/jre
CLASSPATH =. :/usr/lib/jvm/java-1.5.0-sun/lib/tools. jar:/usr/lib/jvm/java-1.5.0-sun/lib/dt. jar
Export PATH
Export JRE_HOME
Export JAVA_HOME
Export CLASSPATH

4. run java-version to check if the version is 1.5.0? Then, java and javac run two commands to check whether any help information is provided.