April 2018
Intermediate to advanced
910 pages
33h 21m
English
Another area of change for the new version of the Java platform is that many platform components have been removed. The following sections represent the most significant components.
Notably, the rt.jar and tools.jar and dt.jar have been removed. These JAR files contained class and other resources files and all resided in the /lib directory.
The endorsed standards override mechanism has been removed. In Java 9, both javac and java will exit if they detect that mechanism. The mechanism was used for application servers to override some JDK components. In Java 9, you can use upgradeable modules to achieve the same result.
As previously covered in this chapter, the extension mechanism has also been removed.
The following ...