I’m excited that the fifth edition of my Java Cookbook has been released! As you’d expect it drops some old material to make room for new capabilities right up to Java 23 and much of Java 24, also including some third-party APIs such as using AI LLMs from within a Java Application. You can order it …

Another year, bringing fresh challenges for the world: Ongoing warfare in Ukraine and Gaza (those are just the two that make the daily news), massive wildfires in California, a rapidly changing climate worsening fires, floods and hurricanes, and a new administration taking over a deeply divided …

It’s common for non-technical people to assume that Java and JavaScript are alike, but it’s rather more like Tom and Tomato, or Pot and Potato. Or as one (Java-leaning) wag based in the USA said, JavaScript is to Java as George Burns is to George Washington :-)

To be more precise:

As a long-time user of the Eclipse IDE, I’ve always been impressed by how well it is optimized for developer productivity. Google a few years ago foisted on us the switch of Android Studio from being Eclipse-based to being IntelliJ IDEa-based. So it’s time to learn some new dance steps. Here’s some …

Free Software is software that you can use without paying for it. Open Source software is software that you can get the source code for; unlike most commercial software which is closed source. Open Source software tends to be more reliable and have bugs fixed more quickly compared with …

Suppose youare unit testing code and you need to test some logic in an HttpServlet. There are several approaches:

I had a servlet …