Java Platform Module System - JPMS

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The Java Platform Module System (JPMS) was introduced with Java 9. We can use JPMS to create our own custom JRE that is suitable for specific applications. For example, if an application does not use audio, image, or JavaBeans-related features, we can remove the java.desktop module entirely to free up space in our Docker image.

As previously stated, there is no separate JRE distribution from Java 11 onwards. That means that even if we just want to run a simple JVM-based application, we must install the entire JDK. This is due to the modularity introduced in Java 9. The main philosophy is that instead of providing a generic JRE that meets everyone’s needs, everyone should be able to create their own JRE. Many JDK image providers follow the same philosophy by omitting JRE distributions.

Custom JRE yaratmak için jlink komutu kullanılır