Java SE 9 has been released September 2017, three years after the Java SE 8 release from Oracle. The adoption of the Jigsaw module system since then is moderate in the Java community. Some developers skip the non-LTS releases (Java SE 9 is a non-LTS release) and upgrade to Java SE 11 directly. With three years…
With Red Hat announcing Quarkus as a … next-generation Kubernetes native Java Framework tailored for GraalVM and HotSpot, crafted from best-of-breed Java libraries and standards. I was impressed by the startup speed and memory consumption of the examples provided by Red Hat. One of the main reasons for these impressive numbers is the fact, that…
Testing your application’s performance during development as a single user is easy but often misleading. With writing unit- and integration-tests you make sure your main use cases and algorithms work as expected and cover the requirements of the business. Testing the performance of your application under the expected load is often neglected and after deploying…
Recently I got the chance to work through Vlad Mihalcea’s High-Performance Java Persistence Video Course (Version: Mach 2) and in this blog post, I’ll give you a review about this excellent course on tuning your data access layer based on Hibernate and JPA. When starting my career as a Java software developer I had the most headaches while…
Returning all the data in a table within a REST call can be slow if your table grows. Imagine a simple HTML <table></table> to show all the registered persons in your database. Even if you could return the whole dataset within one HTTP request, the user wouldn’t be able to read them all at once as he…
In today’s post, I want to review the latest technical Java book I read. I came across the book “Java by Comparison” by Simon Harrer, Jörg Lenhard, and Linus Dietz while I was reading Venkat Subramaniam’s blog. Venkat did the foreword of this book and as I am a fan of him, I instantly bought the book.…
In today’s #Review post I want to blog about one of my latest Java books: Effective Java. I was looking for a more advanced book about Java and therefore I found this book from Joshua Bloch. I bought the third edition of this book which was updated on 27th December 2017 for Java 7, 8 and 9.…