This article was published originally on derkoe.dev. After reading the "Beating C with X lines of Y"... (more…)

GraalVM native image can compile java code into native code ahead to build faster, smaller, leaner applications.\nThe native image doesn't have a JIT compiler to compile bytecode into machine code, and doesn't support\nreflection unless configure reflecti... (more…)

Building a multi-tenant Java app with Spring Data in Azure Cosmos DB? Here we show you how to make your Spring Data Repository reference and/or create different databases or containers for each tenant. To learn more, read on! (more…)

Remember the days when you need to write at least one class to test a small snippet of Java code ?! well, this days will be soon from the past once java 9 is released. JShell is the first official Java REPL (Read-Eval-Print-Loop), a command line tool that... (more…)

Testing is often hard. Mostly because we need data to perform some forms of testing. For Unit Tests often you can fake your own data pretty ... (more…)