Currently working on Linux Cinnamon. I have unistall/removed Open JDK from my local drive. Then I checked java -version via terminal and gives –
$ java -version The program 'java' can be found in the following packages: * default-jre * gcj-5-jre-headless * openjdk-8-jre-headless * gcj-4.8-jre-headless * gcj-4.9-jre-headless * openjdk-9-jre-headless Try: sudo apt install <selected package>
After that following the installation guide to install oracle jdk 8 for linux. Then I just checked java -version command through [I just unpack jdk to /opt/java]-
$ /opt/java/jdk1.8.0_112/bin/java -version java version "1.8.0_112" Java(TM) SE Runtime Environment (build 1.8.0_112-b15) Java HotSpot(TM) 64-Bit Server VM (build 25.112-b15, mixed mode)
I set my environment variable JAVA_HOME="/opt/java/jdk1.8.0_112" [excluding bin] to /etc/environment using nano thereafter from JAVA_HOME setup tutorial –
# Java Home JAVA_HOME="/opt/java/jdk1.8.0_112" export JAVA_HOME
and refresh & checked my JAVA_HOME as follows –
$ echo $JAVA_HOME /opt/java/jdk1.8.0_112
After these setup while I am trying check java -version via command it gives –
$ java -version The program 'java' can be found in the following packages: * default-jre * gcj-5-jre-headless * openjdk-8-jre-headless * gcj-4.8-jre-headless * gcj-4.9-jre-headless * openjdk-9-jre-headless Try: sudo apt install <selected package>
Can anyone tell me what is going on?
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Answer
Even once you set $JAVA_HOME, you still need to add bin to your $PATH:
export PATH="$PATH:$JAVA_HOME/bin"