Module

When implementing distributed systems, client-server architectures and simple applications with network related functionalities, everything is fine when we’re in the development or in the testing stage because the network is reliable and the communicating systems are not as stressed as they are in production. But to sleep well we want to validate how resilient we have implemented our systems, how they behave when the network fails, the latency rises, the bandwidth is limited, connections time out and so on. ...

Playing around with the new module system in Java 9 I simply wanted to write down how to achieve the most basic tasks. Therefore I created the following module how-to based upon a simple demonstration project consisting of two dependant modules. Figure 1. Modules Component-Diagram Prerequisites and Setup We need an early access build of the Java ™ 9 JDK, available for download here. In addition we should make sure, that our environment variable JAVA_HOME is set to the corresponding directory and calling java -version returns something similar to this: ...