Course Outline

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

Requirements

  • 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
 21 Hours

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