- Basic knowledge of programming concepts
- Previous experience with Java (any version)
- Familiarity with object-oriented programming (OOP) principles
Audience
- Java developers aiming to upgrade to the latest version
- Software engineers seeking to enhance their Java skills
- IT professionals involved in Java-based application development
Java 21 is the 2023 long-term support (LTS) version of the Java programming language, offering new features, enhancements, and performance improvements for modern application development.
This instructor-led, live training (online or onsite) is aimed at intermediate-level Java developers who wish to explore the latest features of Java 21, improve their coding practices, and efficiently implement modern Java applications.
By the end of this training, participants will be able to:
- Understand and utilize the new features introduced in Java 21.
- Enhance application performance using advanced Java features.
- Develop modular and scalable applications using updated libraries.
- Implement best practices in Java 21 for robust and efficient code.
Format of the Course
- Interactive lecture and discussion.
- Lots of exercises and practice.
- Hands-on implementation in a live-lab environment.
Course Customization Options
- To request a customized training for this course, please contact us to arrange.
Introduction to Java 21
- Overview of Java 21 and its LTS status
- Key improvements compared to previous versions
- Setting up the Java 21 development environment
New Features and Enhancements
- New language features and syntax updates
- Enhancements in pattern matching and records
- New APIs and library updates
Performance Optimization with Java 21
- Memory management improvements
- Performance tuning techniques
- Using the latest JVM enhancements
Modular Programming in Java 21
- Module system updates
- Creating and managing modular applications
- Best practices for modular Java development
Advanced Language Features
- Sealed classes and pattern matching
- Enhanced switch statements and expressions
- Advanced use of records and data classes
Integrating Java 21 with Modern Libraries
- Working with updated libraries and frameworks
- Using Java 21 in microservices and cloud applications
- Leveraging new library functions for efficiency
Testing and Debugging in Java 21
- New debugging tools and techniques
- Writing unit tests for new language features
- Integrating with popular testing frameworks
Deploying and Maintaining Java 21 Applications
- Deployment strategies and best practices
- Managing version upgrades and compatibility
- Monitoring and maintaining long-term support applications
Summary and Next Steps