
Introduce Java 21's new features with hands-on code-along, targeting developers with prior Java experience, and outline prerequisites and course scope.
Explore a quick overview of Java, a portable, robust, strongly typed object oriented language. Trace its history from green to Java 21 and its strengths in security and performance.
Explore the Java enhancement proposal process, from drafting and review to sponsorship, with a six-month release cadence guiding JEPs into the next JDK release.
Explore the OpenJDK JDK 21 features page, comparing preview and final JEP implementations, including string templates, sequence collections, generational z gc, record patterns, pattern matching, and structured concurrency.
Explore unnamed patterns and variables in Java 21, showing how ignoring unused details improves readability, reduces boilerplate, and prevents unused variable warnings.
Explore unnamed patterns and variables through a hands-on Java 21 example using a sealed shape interface with circle and rectangle records, and learn how to simplify code by using patterns.
Explore string templates in Java 21, improving over verbose string builders and formatters. Learn how template processors and dot syntax embed variables to create concise, maintainable strings.
Explore how Java records simplify modeling an e-commerce domain by defining customer, product, and order records, calculating totals from order items, and updating order status with an enum.
Learn how scoped values simplify data sharing across a thread execution path, avoiding extra parameters and thread locals, with initialization, binding, and practical web logging context.
Explore the scoped value use case in Java 21, creating a current user scoped value, and running a task definition with a virtual thread that accesses the current user.
Explore the Java 21 vector API by performing int vector additions using a specific vector species and producing a result array, while running via the JDK incubator vector module.
Dive into the future of Java development with Mastering Java 21: Unlocking Modern Development Techniques, your comprehensive guide to leveraging the latest advancements in Java 21. Designed for both seasoned developers and those new to the Java ecosystem, this course aims to elevate your programming skills, enabling you to build more efficient, secure, and maintainable applications.
Why Java 21? Java continues to stand as a pillar of enterprise and cloud applications. With the release of Java 21, developers gain access to a suite of enhanced features that promise to revolutionize how we approach Java programming. From seamless interaction with native code to refined concurrency management, Java 21 is poised to tackle the complexities of modern software development head-on.
What You Will Learn:
Project Panama Fundamentals: Get up to speed with the Foreign Function & Memory API, opening new doors for interacting with native libraries and memory management without leaving the comfort of the Java ecosystem.
Structured Concurrency Made Simple: Discover the art of writing clean, error-free concurrent code with Java 21's preview feature, Structured Concurrency, ensuring all your parallel tasks are managed with unprecedented ease.
Vector API Enhancements: Push the boundaries of computational performance by mastering the improved Vector API, designed for high-efficiency operations on large datasets.
Pattern Matching Proficiency: Simplify your code with Java 21's pattern matching enhancements, making your programs more readable and less prone to errors.
Course Features:
Hands-on Projects: Apply what you learn with real-world projects, from building efficient parallel processing systems to optimizing memory-intensive applications.
Expert Instruction: Learn from industry veterans with years of experience in Java development, ready to share their secrets to mastering Java 21's new features.
Flexible Learning: Access course materials anytime, anywhere, and learn at your own pace with our structured yet flexible curriculum.
Who Should Enroll:
Java developers looking to stay ahead in the rapidly evolving tech landscape.
New programmers seeking a comprehensive and future-proof foundation in Java.
Software engineers interested in the latest Java features for performance optimization.
Anyone passionate about leveraging cutting-edge features in their Java projects.
Enroll in Mastering Java 21: Unlocking Modern Development Techniques today and be at the forefront of modern Java development. Transform your coding practices, optimize your applications, and prepare for the future with the power of Java 21.
Let's embark on this journey together. Your path to mastering Java 21 starts now!