Learn how to use synchronous and asynchronous callbacks in Java—including callbacks with lambda expressions, CompletableFuture, and more.

Java user input made easy Learn the easiest ways to handle user input in Java, and format any console output with printf. Top 3 Java user input strategies How to import the Java Scanner class A simple ...

Method references in Java are part of the broader set of features introduced and enhanced in Java 8 and beyond. They are a concise way to refer to methods of classes or objects.