Setting Up
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4. Setting Up Java
Next to Set Up Oracle Java JDK 11
You can directly Copy & Paste the Commands into Terminal..Copyupdate-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk-11/bin/java 1165
Copyupdate-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk-11/bin/javac 1165
Copyupdate-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk-11/bin/jar 1165
Copyupdate-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk-11/bin/javaws 1165
Checking or Setting the System Java Version in Use with
Copyupdate-alternatives --config java
And for the Java Compiler instead:
Copysudo update-alternatives --config javac
To Switch of Java Version Just Enter the Selection Number on First, Column. :)
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5. Setting Up Env
(Optional) Setting JAVA_HOME User Environment Variable.
Copysu [myUserName]
Or simply:
Copyexit
And Edit the Bash environment Configuration file
Copynano $HOME/.bashrc
Append:
Copyexport JAVA_HOME=/usr/lib/jvm/jdk-11
Possibly to Check the JDK 11 exact PATH use in another window:
Copyls /usr/lib/jvm/
Ctr+x to Save & Exit from nano Editor :)
Next to Load the New Bash Environment:Copybash
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Finally, Test New Java JDK 11 Installation.
Copyjava -version
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