How to install java jdk on fedora core? here i provide few steps to demonstrate how it’s work.

Installation Setup

1 ) Please visit sun java website to download any java jdk version you like.
http://java.sun.com/javase/downloads/index.jsp

2 ) Click download, select Linux platform, language and accept license and continue.

3 ) Select “Linux RPM in self-extracting file” and download jdk_filename-rpm.bin file (jdk-6u6-linux-i586-rpm.bin).

4 ) After downloaded, changed to the directory where you saved the file.

5 ) login to root user or su to root or sudo, and issue ‘chmod +x jdk_filename.-rpm.bin’ to make it executable.

chmod +x jdk_filename.bin

6 ) Execute it

./jdk_filename-rpm.bin

7 ) Press space bar , repeat until system prompt to enter yes or no, type y and enter to continue.

8 ) This will output a .rpm file in same directory

9 ) Issue ‘rpm -i jdk_filename.rpm’, this will install all jdk files on linux system /usr/java/jdk-version/

rpm -i jdk_filename.rpm

10 ) Create symbol links to make it execute anywhere

 ln -s /usr/java/jdk1.6.0/bin/java /usr/bin/java
 ln -s /usr/java/jdk1.6.0/bin/javac /usr/bin/javac

11 ) type java -version, DONE !!

Post-Installation Setup

Set JAVA_HOME into environment variable

Copy following statement and append to /etc/profile or .bashrc file, make system set JAVA_HOME into system environment variable.

export JAVA_HOME="/usr/java/jdk1.6.0;"

P.S Please visit How to install JDK on Ubuntu, if you want to know how to install java jdk with apt-get.

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