As indicated earlier in this chapter, there is a chance that your existing Java applications will run without modification on the Java 9 platform. So, before you make any changes, try running your current application on the Java 9 platform. If your application works fine on Java 9, that is great, but your work is not complete. Review the next three sections on updating third-party libraries and tools, compiling your application, and running jdeps on your code.
Running your program before recompiling
Get Java 9: Building Robust Modular Applications now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
