In this post, we will learn how to call a method in Java. This is a useful “chunk” of code that you can call from anywhere else in your program, thus preventing you from needing to write out ...

This post explains how to install Java or check which version is running on your machine. Install on any OS, and learn about the JDK.

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 ...

Learn how to use synchronous and asynchronous callbacks in Java—including callbacks with lambda expressions, CompletableFuture, and more. Topics Spotlight: AI-ready data centers ...

When the code implements Java Function with a concise lambda expression runs, the program prints out 25. That’s all you really need to know about the java.util.function.Function interface. It is a ...

This can sometimes make it a bit difficult for newcomers to learn Java lambda syntax. It is sometimes helpful, then, to add a bit more ceremony to the code. One enhancement that can make it easier to ...