Rewrite object-oriented code using functional techniques. Get started with lambdas, method references, functional interfaces, and the Streams API in Java Welcome back to this two-part tutorial ...

Java 24 removed synchronized-based virtual thread pinning. Learn what pinning remains, how to detect it with JFR, and how to protect applicati... Use JUnit, Cucumber, REST Assured, Selenium and JMeter ...

A structured set of Java exercises on the classic design patterns, grouped into the three families: Creational, Structural, and Behavioral. Each pattern pairs theory with runnable bad/good examples, ...

Use Spring MVC MultipartFile, Java Path APIs and the browser fetch API to upload files asynchronously and save them safely on the server. Follow the essential steps to download Java 21, configure ...

This repository contains a set of fully functional, working examples of using the OpenTelemetry Java APIs and SDK. All examples can be run locally. Some examples require Docker to be running on your ...

Learn how to use statements like if, if-else, switch, for, and while to declare variables and specify expressions, make decisions, iterate over statements, and more. Java applications evaluate ...

Ok, so what - in slightly more detail - is a Java Servlet? A Java Servlet is a Java class that subclasses from class HttpServlet and usually overrides the doGet (or doPost) method. These methods will ...