In this brief introductory chapter, we revealed the small universe of capabilities provided by JDK 9. The module system introduced in this release of the platform is indisputably a cornerstone in the development of Java applications. We also discovered that a number of other major features and changes are introduced in JDK 9 that deserve special attention and will be discussed in great detail in subsequent chapters.
In the next chapter, we will take a look at 26 internal changes to the Java platform.
