OpenJDK Migration For Dummies

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Book Description

Modern business runs on Java. It's the programming language of choice for large-scale applications, whether they're running in the cloud or in a private data center. Despite being nearly 30 years old, Java remains one of the most widely used programming languages in the world thanks to its versatility, reliability, and stability. Java is also far more pervasive than meets the eye. The Java platform forms the foundation of derivative languages like Kotlin and Scala, as well as frameworks like Hibernate and Spring and platforms like Cassandra, Hadoop, and Kafka.

Much of Java's appeal stems from its open nature, both in terms of the way it's defined through the Java Community Process (JCP) and in terms of the way it's developed under the open-source OpenJDK project. By paying for commercial support, companies can enjoy all the benefits of open-source software with the stability, reliability, and service they expect from an enterprise vendor.

However, lately, a series of licensing and pricing changes for Oracle Java SE has prompted many companies to move to alternative distributions of OpenJDK. Interest in OpenJDK, and in commercial support for OpenJDK, has intensified over the last four years as Oracle Java SE has become increasingly more expensive.

In this book, you find the details of migrating to an OpenJDK distribution, either from the Oracle JDK or from another OpenJDK distribution. You also see how to evaluate different distributions and support offerings and choose the distribution that's right for your organization.

OpenJDK Migration For Dummies is written first and foremost for the application owners, IT operations teams, and engineers who are responsible for undertaking a migration. Migrating from one distribution of OpenJDK to another is straightforward for the majority of applications, but some factors may require attention. Forewarned is forearmed, and the information in this book will help you complete a successful migration. At Azul, we've learned from hundreds of migrations and believe we can literally write the book on migrating without risks (or at least with very minimal ones).

This book is published as open-access, which means it is freely available to read, download, and share without restrictions.

If you enjoyed the book and would like to support the author, you can purchase a printed copy (hardcover or paperback) from official retailers.

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