A custom Java environment

So one day you decide you want a custom Java env. Well, make sure that you uninstall all the repo java files (you can probably do this in a better way. i.e. by keeping your repo java). Then insert something like:
in /etc/profile:

JAVA_HOME=/usr/lib/jvm/jdk1.5.0_15 export JAVA_HOME PATH=$PATH:$JAVA_HOME/bin export PATH

in .bashrc:

export ANT_HOME=/home/rick/ant #export JAVA_HOME=/usr/lib/jvm/jdk1.6.0_05 #export JAVA_HOME=/usr/lib/jvm/java-6-sun-1.6.0.16 export JAVA_HOME=/usr/lib/jvm/jdk1.5.0_15 #export JAVA_HOME=/usr/lib/jvm/j2sdk1.4.2_17 export ANT_OPTS="-Xmx2048m -Xms2048m" export JBOSS_HOME=/home/rick/jboss export JBOSS_CONFIG=stiffler export JBOSS_DEBUG_MODE=true export MAVEN_HOME=/home/rick/maven-1.0.2 export MAVEN_REPOSITORY=/home/rick/.maven/repository export MAVEN_REPO=/home/rick/.maven/repository export SCRIPTELLA_DIR=home/rick/Downloads/scriptella-1.0rc export PATH=$PATH:$SCRIPTELLA_DIR/bin export PATH=$PATH:$ANT_HOME/bin:$MAVEN_HOME/bin export PATH=$PATH:$JAVA_HOME/bin