Java 25 for Professionals with Jetbrains AI Assistant

Course details

In this intermediate course, Java trainer and developer Maaike van Putten dives into the cutting-edge features of Java 25 and shows you how to elevate your programming skills to new heights. Explore modern Java techniques such as compact source files, flexible constructors, and unnamed variables that simplify your code writing process. Learn how to implement advanced concurrency patterns and manage data safely across threads. Discover how stream gatherers can enhance your functional programming and how modular imports can clean up your codebase. Learn to write clear and concise Java documentation using the latest Markdown syntax. This course helps you build a practical understanding of the newest features in Java, allowing you to create more efficient and maintainable applications.

Learning objectives
Understand and apply the latest Java 25 features to improve your coding skills.
Implement modern concurrency and modular programming techniques to build scalable Java apps.
Improve the quality of your documentation by adopting markdown documentation.

Concepts

Introduction

Java 25 unboxed

Modern Java - Compact Source Files and Instance Main Methods

No boilerplate classes with compact source files
Challenge - Build a lightweight Java app with modern syntax

Flexible Constructors in Java

Writing more flexible constructors
Challenge - Build a Product class with smarter constructors

Unnamed Variables

Unnamed variables
Challenge - Refactor with unnamed variables

Safe Data Sharing in Java with ScopedValue

Safe data sharing with scoped values
Replacing ThreadLocal - How to use ScopedValue in Java
Challenge - Refactor to thread-safe code with ScopedValue

Advanced Java Streams with Custom Gatherers

Advanced Java Streams - Transformations with gatherers
Stream gatherers in action - Writing custom data collectors
Challenge - Transform a complex Stream

Modern Java Modules

Simplifying modular Java
Modernizing Java projects with simplified module imports
Challenge - Modular project cleanup import declarations

Markdown in Java Documentation

Enhance JavaDocs with Markdown syntax
Formatting Java documentation using Markdown best practices
Challenge - Convert JavaDocs to clean markdown format

Conclusion

So, should you upgrade