Java Configuration

Download JDK file from following link

http://download.oracle.com/otn-pub/java/jdk/7u79-b15/jdk-7u79-linux-i586.tar.gz

step1: mkdir -p /usr/java

step2: cd /usr/java

wget download link

step3: tar -xvzf jdk_file

step4:    jdk1.7.0_21  jdk-7u21-linux-i586.gz
[root@rhel6 java]# java -version
bash: java: command not found

step5: Export path of java

[root@rhel6 java]# vim /etc/bashrc
Make entry

export JAVA_HOME=/usr/java/jdk1.7.0_21/
export PATH=$PATH:$JAVA_HOME/bin

Then source the file

[root@rhel6 java]# source /etc/bashrc

[root@rhel6 java]# java -version
java version "1.7.0_21"
Java(TM) SE Runtime Environment (build 1.7.0_21-b11)
Java HotSpot(TM) Client VM (build 23.21-b01, mixed mode)
[root@rhel6 java]#