In Simple Terms

Lo que serás capaz de hacer

This course has been selected by Udemy for inclusion in Udemy Business — Udemy’s curated collection of high-quality courses used by organisations worldwide. “Udemy Business is a curated (carefully chosen) selection of high-quality Udemy courses — like yours.” — Udemy “Only 3% of all courses are chosen for Udemy Business.” — Udemy The course is fully updated to Java 25 and covers Java 8, 11, 17, 21, and 25 — showing how modern Java evolved across these releases. Since being selected for Udemy Business, the course has been significantly expanded and updated, including: • Spring Boot 3 • Java 21 and Java 25 content • 2 Full OCP Certification Practice Tests • 5 Additional OCP Practice Quizzes • All code now available on my GitHub repositories Who this course is for (important) This is an advanced Java course . It is designed for: Developers who already know Java fundamentals Learners who want to properly understand modern Java (8 → 25) Those preparing for Oracle OCP certifications Professionals who want a deep understanding Note: Java fundamentals are not covered (classes, interfaces, operators, basic syntax). The course starts immediately with Java 8 lambdas and streams . What makes this course different Many Java courses: Stop at Java 8 or Java 11 Treat newer versions as bolt-ons Focus on syntax rather than reasoning You will: Learn how Java evolved from Java 8 through Java 11, 17, 21, and 25 Understand why language features exist , not just how to use them Work through assignments that evolve across Java versions Learn with both real-world development and certification in mind Topics are explained using: Clear theory Extensive, annotated code examples Assignments that reinforce understanding Video explanations for all practice questions What students say (A small selection — more reviews are available below) “Great course, great explanation. The best course in Java I have seen so far.” — Kaylan AD “I am nearing retirement. I have learned more about lambdas here than in the rest of my career.” — Robert R “This course is a jewel… I passed the OCA and hope to pass the OCP now.” — Yigit K. “Definitely the best Java course I’ve ever taken… especially the Java 21 features.” — Anna “Excellent detail, perfect pace, and outstanding explanations.” — Ricardo Q. "So far its the best course for java professional who want to start from new features of java 8" — Ankit M. Course overview Java currently has five Long-Term Support (LTS) releases : Java 8, 11, 17, 21, and 25 — and this course covers all of them . This course is the successor to my other Udemy Business course: “Java 8 OCA (1Z0-808) Certification – Master the Fundamentals” . As a result: Java fundamentals are assumed The course begins with advanced Java 8 topics Each later Java version builds on the previous one Java 8 – Advanced Topics Lambda Expressions Streams Generics Collections Concurrency JDBC File I/O and NIO.2 Serialisation Localisation Assignments are included for lambdas, streams, and collections . Java 11 Modules (examined in detail with examples) Local Variable Type Inference (LVTI) Private interface methods Annotations Security Java 17 Sealed classes Records Switch expressions and pattern matching Text blocks A significant assignment covering all Java 17 topics is included. Java 21 Unnamed classes and instance main methods (preview features) Record patterns Pattern matching for switch Sequenced collections Virtual Threads A Java 21-specific assignment (building on the Java 17 assignment) is included. Java 25 Markdown documentation Unnamed variables and unnamed patterns Module import declarations Compact source files and instance main methods (finalised) Flexible constructor bodies Scoped values Stream gatherers A Java 25-specific assignment (building on the Java 21 assignment) is included. Spring Boot 3 Application (updated to Java 25) Configuring a Spring Boot application and dependencies Understanding how RESTful applications work Dependency Injection / Inversion of Control Architecture overview Code explained in detail Testing with Postman An assignment is used to reinforce the material, and its solution is explained in detail . OCP Certification Preparation 2 Full OCP Practice Tests 50 questions each 120-minute time limit 68% pass mark (as per Oracle exams) Every question has a detailed video explanation Even if you do not plan to take the certification, the solution videos provide excellent learning opportunities . 5 OCP Practice Quizzes 69 MCQ questions in total Every question explained with a video solution This course supports preparation for: Java 8 OCP (1Z0-809) Java 11 OCP (1Z0-819) Java 17 OCP (1Z0-829) It also works very well alongside the Enthuware OCP Certification tool . About the instructor I am a PhD-qualified University lecturer and have been teaching since 2002. For over 13 years, I have taught advanced Java on a bespoke Masters programme on behalf of a highly regarded software company. I have co-authored two Java books: Learn Java with Projects Java Memory Management I love teaching, and this course brings together: My academic background My industry experience My passion for clear, structured explanations A strong attention to detail, particularly suited to Oracle Java certifications Final note This course is designed to give you: A deep understanding of modern Java Confidence in real-world development Strong preparation for Oracle OCP exams If you already know Java fundamentals and want to truly master Java 8 through Java 25 , this course is for you. More student feedback “Extraordinary Explanation.” — Darshan P. “The course is amazing, learned a lot of good things.” — Rakesh L. “This course provides an exceptional hands-on learning experience… invaluable resource for Java developers.” — Naveen KG “Sean is technically superior in Java; he’s the best I know.” — Axel B. “This course is a jewel… Sean answers questions… I passed the OCA… hope to pass the OCP now.” — Yigit K. “Easy to follow and straight to the point.” — Daniel M. “Great how detailed it is.” — Ali A. “Excellent – especially like the detail and pace.” — Alan C. “One of the best courses so far… perfect talking speed… content is excellent.” — Ricardo Q. “Very useful exercises and really interesting syllabus.” — Laura “Clearly explained, easy to follow and understand. Good code examples.” — Ugyen N. “Fantastic methodology and organization.“ — Eliabe S.

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