How to Install Oracle JDK 12 on Deepin GNU/Linux

April 23, 2019 | By the+gnu+linux+evangelist | Filed in: Tutorial.

Oracle JDK 12 Deepin - Setting Up

  1. 4. Setting Up Oracle JDK 12

    Now to Install JDK 12 into System

    sudo update-alternatives --install 
    /usr/bin/java java /usr/lib/jvm/jdk-12/bin/java 1065
    sudo update-alternatives --install 
    /usr/bin/javac javac /usr/lib/jvm/jdk-12/bin/javac 1065
    sudo update-alternatives --install 
    /usr/bin/jar jar /usr/lib/jvm/jdk-12/bin/jar 1065
  2. 5. Switching to Java 12

    Finally, to Switch Java to JDK 12
    This is Valid only if you have to Manage more than One Java Releases:

    sudo update-alternatives --config java

Choose the Number entry corresponding to Oracle JDK 12!
And for the Java Compiler instead:

sudo update-alternatives --config javac

Choose the Number entry corresponding to Oracle JDK 12.
Test your Java 12 Installation:

java --version

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