By now, you have a firm appreciation of Java 9's modularization. The old adage in Java, and other object-oriented programming language, is everything is a class. Now, with Java 9, everything is a module is the new adage. There are three type of modules as explained as follows:
| Module type | Description |
| Automatic | When a JAR is placed on a new module path, modules are automatically created |
| Explicit/Named | These modules are manually defined by editing the module-info.java file |
| Unnamed | When a JAR is placed on a classpath, unnamed modules are created |
When you migrate your applications to Java 9, your application and its libraries become unnamed modules. So, you will need to ensure all the modules are in the ...
