From Java 11 to 21
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From Java 11 to 21

About the Bundle

If you are currently using Java 11, this bundle can help you upgrade to the latest Java LTS version 21.

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About the Books

From Java 11 to Java 17

Upgrade to Java 17 from Java 11
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    • EPUB

    • WEB

    Java 21 is released. Check out my new book From Java 17 to 21 to upgrade to Java 21.

    Java 17 is a LTS version of Java. LTS means long-term support. Java 17 should be the next version to upgrade. It is expected that users of Java 11 will gradually migrate to Java 17. Spring 6 is released with requirement of JDK 17+. Upgrade to Java 17 to use Spring 6.

    This book covers major changes from Java 11 to Java 17. Below is a list of these features:

    • Records
    • Sealed classes
    • Switch expressions
    • Pattern matching
    • Text blocks
    • JFR event streaming, JVM constants API, hidden classes
    • Changes to Java standard libraries
    • New garbage collectors
    • Changes to JVM
    • Packaging tool - jpackage
    • Foreign function & memory API
    • Other changes

    If you are using Java 11 and planning to upgrade to Java 17, this book can provide you with a valuable reference.

    From Java 17 to Java 21

    Upgrade to Java 21 from Java 17
      • PDF

      • EPUB

      • WEB

      Changes from Java 17 to Java 21

      Included in the book:

      • Pattern matching
      1. Record patterns
      2. Pattern matching for switch,
      3. Unnamed patterns and variables
      • Multi-threading
      1. Virtual threads
      2. Structured concurrency
      3. Scoped values
      • Standard library changes
      1. UTF-8 by default
      2. Internet-address resolution SPI
      3. Simple web server
      4. Sequenced collections
      5. Key Encapsulation Mechanism API
      • Java languages
      1. String templates
      2. Code snippets in Java API documentation
      3. Unnamed classes and instance main methods
      • Panama project
      1. Foreign Function & Memory API
      2. Vector API

      If you are currently using Java 11, check out another book From Java 11 to 17.

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