setting java path

goto nano ~/.bashrc file


JAVA_HOME=/usr/java/jdk1.6.0_21
export JAVA_HOME
PATH=$PATH:/usr/java/jdk1.6.0_21/bin
export PATH
PATH=$PATH:/usr/share/maven2/bin
export PATH
ANT_HOME=/usr/share/ant
PATH=$PATH:${ANT_HOME}/bin
export PATH