How to install OpenJDK 17 in Ubuntu 22.04 LTS with JAVA_HOME Environment Variable

Channel:

java frm

Subscribers:

5,740

Published on January 8, 2024 4:17:20 PM ● Video Link: https://www.youtube.com/watch?v=haFyMyi-9cY

Category:

Tutorial

Duration: 8:35

0 views

0

In this video we are going to see How to install OpenJDK 17 in Ubuntu 22.04 LTS for all users with JAVA_HOME Environment Variable and How to Compile and Run Java Module Program.

In this Example.
src --- contains two java modules EmailValidator and EmailValidatorClient Modules. Each Module must contain module-info.java which is mandatory.
classes --- will store all the compiled class files of Java Modules.

Here EmailValidator Module contains module-info.java which exports the com.javafrm package, so that other modules can access the package and com.javafrm package contains EmailValidator.java .
Class name and Method should be public, then only you can access this class and required methods from other modules.

Next EmailValidatorClient Module contains contains module-info.java which requires (calls) EmailValidator Module.
It contains org.javafrm package which contains EmailValidatorClient.java (Main class) and access the class and methods from EmailValidator Module.

Example Java Commands:

javac --module EmailValidatorModule -d /opt/Java-Module-Programs/Modules/classes --module-source-path /opt/Java-Module-Programs/Modules/src

javac --module EmailValidatorClientModule -d /opt/Java-Module-Programs/Modules/classes --module-source-path /opt/Java-Module-Programs/Modules/src

java --module-path /opt/Java-Module-Programs/Modules/classes --module EmailValidatorClientModule/org.javafrm.EmailValidatorClient

#openjdk #java #jdkinstallation #installjdk #installjava #javainstallation #javajdk #javalinux #javahome #ubuntu #jdk17