12/4/2015 - 4:02 PM

Java Version alternatives alternatives

Java Version alternatives alternatives

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sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/ jdk1.8.0/bin/java" 1

 sudo update-alternatives --config java
set environment variables as follows

Edit the system Path file /etc/profile

sudo gedit /etc/profile
Add following lines in end

export JAVA_HOME
export JRE_HOME
export PATH


Java is typically installed in /usr/java locate the version you have and then do the following:

Assuming you are using bash (if you are just starting off, i recommend bash over other shells) you can simply type in bash to start it.

Edit your ~/.bashrc file and add the paths as follows:

for eg. vi ~/.bashrc

insert following lines:

export JAVA_HOME=/usr/java/<your version of java>
export PATH=${PATH}:${JAVA_HOME}/bin
after you save the changes, exit and restart your bash or just type in bash to start a new shell

Type in export to ensure paths are right.

Type in java -version to ensure Java is accessible.