This app will give you real applications in the use of Java 9

You will see the full source code of the demo. You will see how to use:
1. Collection Factory Methods for List, Map and Set
2. Interface Private Method for Sum and Filter Operator
3. Diamond Operator for Anonymous Inner Class with Interface and Abstract Class
4. Stream API: Use takeWhile, dropWhile, iterate and ofNullable Method
5. Optional Method: Use ifPresentOrElse, stream and or Method
6. HTTP 2 Client: Use GET, POST HTTP Methods
7. Reactive Streams
8. Try-With-Resource Enhancements
9. Process API: Get information from one and many Process
10. Module System: How to create new Module System in Java 9

You also see the results after the demo with the illustrations.

You can also copy the code in this app and use it on your project.