JDK Setup for LINUX

README

============================================= IMPORTANT =========================================
$ means these commands needs to be executed in terminal and '$' should not be typed
=================================================================================================

JDK Setup Linux

Reference commands


$ sudo alternatives --install /usr/bin/$(var) $(var)  /path-to-jdk/jdk-ver/bin/$(var) 1000
$ sudo alternatives --config $(var)

---- replace $(var) with each of these
java 
javac
javadoc
javaws


---- to check JDK version

$ java -version 

JDK Setup Linux Example

EXAMPLE to set JDK 7 in path /opt/JDK_7


$ sudo alternatives --install /usr/bin/java java /opt/JDK_7/bin/java 1000

$ sudo alternatives --install /usr/bin/javac javac /opt/JDK_7/bin/javac 1000

$ sudo alternatives --install /usr/bin/javadoc javadoc /opt/JDK_7/bin/javadoc 1000

$ sudo alternatives --install /usr/bin/javaws javaws /opt/JDK_7/bin/javaws 1000



After setup of alternatives, To configure Java execute and select appropriate version of your choice


$ sudo alternatives --config java

$ sudo alternatives --config javac

$ sudo alternatives --config javadoc

$ sudo alternatives --config javaws