Step-by-step – OpenJDK 17 Elementary OS Installation

Installing

2. 2. Enabling OpenJDK 17 PPA

   Add OpenJDK 17 PPA for Ubuntu GNU/Linux

   Enabling OpenJDK 17 Repo for Ubuntu

   OpenJDK 17 PPA for Ubuntu

   Skip for Elementary OS 6+.

3. 3. Installing OpenJDK 17

   Then to Install OpenJDK 17 in Elementary OS
   First, to look up all the available flavors play:

   sudo apt search openjdk-17

   So next for OpenJDK JDK 17 issue:

   sudo apt install openjdk-17-jdk

   Where for the Java Runtime instead:

   sudo apt install openjdk-17-jre

   Authenticate with the User Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo
   Now to Check the current Java:

   java -version

   And in output you find it:

   

   Finally, to check for available Java releases:

   sudo apt search openjdk | grep jdk

4. 4. Managing Java Versions

   So now to Manage Multiple Java on System
   Use the update-alternatives as:

   sudo update-alternatives --config java

   If more than one then choose the wanted Release from list:

   

   And in case of a JDK Setup you may also switch the Java Compiler with:

   sudo update-alternatives --config javac

Java IDEs Installation on Linux

Eclipse IDE: Installing Eclipse IDE for Java on Linux.

Netbeans IDE: Installing NetBeans IDE for Java on Linux.

IntelliJ IDEA: Installing IntelliJ IDEA for Java on Linux.

So Now I’m truly Happy if My Guide could Help you to Quick-Start with OpenJDK 17 on Elementary OS!