Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories. Topics Spotlight: AI-ready data centers ...

Introduced in Java 5, generics enhance the type safety of your code and make it easier to read. This helps you avoid runtime errors like the ClassCastException, which happens when you try to cast ...

How to add multiple values per key to a Java HashMap. It seems like an oversight for the standard Java API not to have a collection class that allows a key to have multiple values. If this is an ...

Now Java developers are abuzz about virtual threads, a feature introduced in Java 21. Java virtual threads are much lighter and more efficient than traditional operating system threads, and excel at ...