Java 21, Java 17, Java 11, Java 8 (adv.) and Spring Boot 3

Post published:27 October, 2025
Post category:StudyBullet-22
Reading time:5 mins read

Master the latest topics; get Oracle OCP Certification (1Z0-830, 829, 819, 809) and code a Spring Boot application
⏱️ Length: 32.0 total hours
⭐ 4.49/5 rating
👥 23,332 students
🔄 March 2025 update

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Course Overview
- This comprehensive course offers an unparalleled journey through the Java ecosystem, equipping developers with expertise demanded by today’s tech landscape. It uniquely bridges foundational Java 8 with bleeding-edge Java 21, ensuring a holistic understanding of modern language capabilities and best practices.
- Embark on a structured learning path that not only delves into the nuances of key Java versions – Java 8 (advanced features), Java 11, Java 17, and Java 21 – but also integrates the development of enterprise-grade applications using Spring Boot 3. This dual focus prepares you for real-world development challenges, enabling you to design, build, and deploy robust, scalable, and maintainable systems.
- Beyond mastering core language features, the curriculum is strategically designed to align with the objectives of multiple Oracle Certified Professional (OCP) exams (1Z0-830, 829, 819, 809), offering a direct pathway to industry-recognized certification. This commitment to certification readiness and practical Spring Boot application development positions participants as highly competitive in the global job market.
- Combining theoretical depth with practical application, the program guides you from fundamental concepts to advanced architectural patterns, emphasizing why features were introduced and how to apply them effectively, fostering a deeper grasp of Java development.
- With its March 2025 update, this program ensures you learn the most relevant, up-to-date techniques and tools, future-proofing your Java skills across diverse industry applications.
Requirements / Prerequisites
- A solid foundational understanding of core Java syntax and Object-Oriented Programming (OOP) principles (e.g., classes, objects, inheritance, interfaces) is essential, as the course quickly progresses into advanced topics.
- Prior experience with a Java Integrated Development Environment (IDE) like IntelliJ IDEA, Eclipse, or VS Code is highly recommended. Comfort with basic code navigation, compilation, and debugging will enhance your learning experience.
- Familiarity with fundamental data structures (arrays, lists, maps) will be beneficial for more complex data handling.
- Basic command-line proficiency and an understanding of file system navigation will aid in managing project dependencies and running applications.
- A keen interest in software development and a willingness to engage in challenging coding exercises are crucial for maximizing the value derived from this intensive program.
Skills Covered / Tools Used
- Spring Boot 3 Ecosystem: Hands-on experience building microservices and RESTful APIs with Spring Boot 3, developing controllers, services, repositories, and leveraging auto-configuration.
- Dependency Management: Master project build and dependency management with Maven and Gradle, understanding their configuration and lifecycle for efficient project delivery.
- Database Interaction: Advanced data persistence with Spring Data JPA and Hibernate: mapping entities, CRUD operations, custom queries, and effective transaction management.
- Enterprise Security: Implement robust security in Spring Boot applications using Spring Security, covering authentication (e.g., form-based, JWT) and authorization.
- Testing Methodologies: Comprehensive testing strategies: unit testing with JUnit 5 and Mockito, integration testing for Spring components, and end-to-end testing principles for application reliability.
- Version Control: Utilize Git and GitHub/GitLab/Bitbucket for collaborative development, understanding branching, merging, and pull requests.
- Modern Development Practices: Apply best practices in clean code, design patterns, error handling, logging (e.g., SLF4J, Logback), and configuration management for professional-grade applications.
- Deployment Fundamentals: Understand packaging Spring Boot applications into executable JARs and basic deployment principles for servers or cloud environments.
Benefits / Outcomes
- Accelerated Career Advancement: Position yourself as a highly sought-after Java developer proficient in LTS versions (Java 11, 17) and latest features (Java 21), combined with cutting-edge Spring Boot 3 skills.
- Production-Ready Application Development: Develop practical skills to conceptualize, design, and implement scalable, secure, high-performance Spring Boot applications, ready for enterprise deployment.
- Comprehensive Certification Readiness: Gain confidence and knowledge to successfully pass multiple Oracle OCP Java certification exams, validating expertise with globally recognized credentials.
- Enhanced Problem-Solving Capabilities: Cultivate a deeper understanding of Java’s core mechanisms and modern programming paradigms, enabling debugging, performance optimization, and elegant solution architecture.
- Stay Ahead of the Curve: Continuously update your skill set with the latest Java versions and Spring Boot advancements, ensuring you remain relevant and competitive in a rapidly evolving technological landscape.
PROS
- Exceptional Value: Offers a comprehensive curriculum spanning multiple critical Java versions and the latest Spring Boot 3, providing an extensive skillset for its duration.
- Dual Focus on Certification and Application: Expertly balances rigorous OCP exam preparation with practical, real-world Spring Boot application development, catering to diverse learning goals.
- Highly Current Content: Regular updates, including the latest March 2025 refresh, ensure the material covers the most recent advancements in Java (up to Java 21) and Spring Boot.
- Industry-Relevant: Directly addresses high-demand skills in the software industry, making graduates highly employable for modern Java backend and full-stack roles.
- High Student Satisfaction: A 4.49/5 rating from over 23,000 students attests to the course’s quality, effectiveness, and engaging delivery.
CONS
- Intensive Pace: The breadth and depth of topics covered in 32 hours necessitate a very fast pace, potentially requiring significant independent study and practice to fully absorb and master all concepts.