CentOS Java JDK install quick guide
It is recommended to install JDK from Sun Oracle.
Download the latest from Oracle’s website by selecting the correct version for your server.
Eg. latest version available now is jdk-7u3
|Linux x86 (32-bit)||63.65 MB||jdk-7u3-linux-i586.rpm|
|Linux x64 (64-bit)||64.53 MB||jdk-7u3-linux-x64.rpm|
Check your OS version with the following command:
x86_64 GNU/Linux is a 64 bit OS
ia64 GNU/Linux is a 64 bit OS
i386 GNU/Linux is a 32 bit OS
Once download, you can install it by running the file
rpm -iv jre-<version>-linux-<os>.rpm
JDK will be installed under /usr/java
If you have downloaded the binary installer and not a rpm file, refer to this.