Former Java Magazine editor Andrew Binstock reviews an updated classic work that’s great for all coders.

Understanding the checked exception mechanism requires that you understand how to declare a method that throws a checked exception, and how that differs from a method that either does not throw any exceptions or throws only unchecked ones.

How to use Flink’s built-in complex event processing engine for real-time streaming analytics

One of the cornerstones of any well-written application is good performance, and that often means being able to run two or more tasks at the same time in parallel.

Follow these dozen best practices to protect your applications against ugly null pointer exceptions—and make your code more readable and concise.

See if you know how to make rapidly changing code easier to maintain.

See if you know how to improve code by refactoring.

See if you know how to use the predicate, consumer, function, and supplier interfaces.

From space exploration to genomics, from reverse compilers to robotic controllers, Java is at the heart of today’s world. Here are a few of the countless Java apps that stand out from the crowd.

Love it or loathe it, this article makes the case that operator overloading is essential for making code easier to read, writer, and debug.

How Oracle gathers feedback on new JDK functionality with preview, experimental, and incubating features

Twenty-five years of Java development saw many innovations in languages, libraries, tooling, and runtimes. Tell us what you think matters most.

Just because you can break the rules, doesn’t mean you should break the rules—unless you have a good reason.

Overloaded methods must be valid, and all ambiguities must be resolved.

Java control statements can be confusing to learn and use correctly.

Parentheses make a real difference in the results of an evaluation.

You’re tasked with moving an application to JPMS. What’s the command line?

Microservice applications present special testing challenges.

The consumer interface can be confusing, even for advanced coders.

Predicate interfaces can be complicated, so be careful when working out the results.