This course will deepen your expertise in Java SE 21, focusing on object-oriented design, advanced class features, and functional programming concepts. You will gain skills in designing robust applications using modern Java paradigms.

Throughout the course, you’ll explore advanced Java topics such as methods, class design, interfaces, enums, records, and inner classes. You'll also dive into functional programming using lambdas and functional interfaces, along with mastering collections and generics for managing and processing data. By the end of this course, you will be equipped to design, implement, and maintain sophisticated Java applications with both object-oriented and functional approaches. What sets this course apart is its combination of theoretical concepts and real-world examples, enabling learners to truly apply what they’ve learned in real projects. The course includes practical examples and review questions that reinforce key Java programming techniques and best practices, ensuring a deep understanding. This course is ideal for intermediate Java developers who wish to deepen their knowledge and expand their expertise in Java SE 21, especially for those interested in enhancing their application design and functional programming skills. This course is part two of a three-course Specialization designed to provide a comprehensive learning pathway in this subject area. While it delivers standalone value and practical skills, learners seeking a more integrated and in-depth progression may benefit from completing the full Specialization. From OCP Oracle Certified Professional Java SE 21 Developer Study Guide Copyright © 2025 by John Wiley & Sons, Inc. All rights, including for text and data mining, AI training, and similar technologies, are reserved. Used by arrangement with John Wiley & Sons, Inc.