TO UNINSTALL OPENJDK AND INSTALL JDK with Fedora

 PURPOSE: TO UNINSTALL OPENJDK AND INSTALL JDK with Fedora 16 & others

*********** STEP 1 STARTS ***********

  ==:> remove open jdk  <: span="">

1)   to find installed java packages:   rpm -qa | grep java

2)  to uninstall open jdk :   yum remove java-1.6.0-openjdk-1.6.0.0-68.1.11.5.fc16.x86_64


***********STEP 1 ENDS  ***********
   

*********** STEP 2 STARTS ***********

 ==:>  install jdk on fedora  <: span="">

rpm -Uvh /jdk-7u9-linux-x64.rpm

rpm -Uvh /jre-7u9-linux-x64.rpm

## java ##
alternatives --install /usr/bin/java java /usr/java/latest/jre/bin/java 20000
## javaws ##
alternatives --install /usr/bin/javaws javaws /usr/java/latest/jre/bin/javaws 20000
 
## Java Browser (Mozilla) Plugin 64-bit ##
alternatives --install /usr/lib64/mozilla/plugins/libjavaplugin.so libjavaplugin.so.x86_64 /usr/java/latest/jre/lib/amd64/libnpjp2.so 20000
 
## Install javac only if you installed JDK (Java Development Kit) package ##
alternatives --install /usr/bin/javac javac /usr/java/latest/bin/javac 20000
alternatives --install /usr/bin/jar jar /usr/java/latest/bin/jar 20000

alternatives --config java

Enter to keep the current selection[+], or type selection number: 
Note: java with [+] is currently on use

alternatives --config javaws

alternatives --config libjavaplugin.so

alternatives --config libjavaplugin.so.x86_64

alternatives --config javac

*********** STEP 2 STARTS ***********

*********** STEP 3 STARTS ***********
 

 ==:>  set classpath in fedora <: span="">

vi ~/.bash_profile
export JAVA_HOME=/usr/java/jdk1.5.0_07/bin
export PATH=$PATH:/usr/java/jdk1.5.0_07/bin

$ source ~/.bash_profile or  . ~/.bash_profile


 ** * Set JAVA_HOME / PATH for all user

You need to setup global config in /etc/profile OR /etc/bash.bashrc file for all users:
# vi /etc/profile

Next setup PATH / JAVA_PATH variables as follows:

export PATH=$PATH:/usr/java/jdk1.5.0_07/bin
export PATH=$PATH:/usr/java/jdk1.5.0_07/bin

Save and close the file. Once again you need to type the following command to activate the path settings immediately:
# source /etc/profile