Java 17 面试题与答案

问题 11. What is the macOS/AArch64 Port update in Java 17?

Apple announced a long-term strategy to switch its computer line from X64 to AArch64. With the help of this JEP, the JDK may now run on macOS platforms with AArch64.

问题 12. What is dismiss the Applet API for Removal in Java 17?

Most browsers will no longer support the applet API because it has been deprecated since JDK9.

Java 17 version marked it for removal even though it has been marked as deprecated since version 9.

问题 13. What is activation of the Removal RMI in Java 17?

RMI's use in the web technology of the previous ten years has rendered the RMI activation mechanism outdated.

Marked for removal in version 15, this JEP removed the RMI activation API from the platform in version 17.

问题 14. What is removal of the Experimental AOT and JIT Compiler in Java 17?

Introduced into JDK 9 and JDK 10, respectively, as experimental features, the Ahead-Of-Time (AOT) compilation and Just-In-Time (JIT) compiler from GraalVM were features with a high cost of maintenance.

Taken out the trial versions of the java-based AOT (ahead-of-time) and JIT (just-in-time) compilers from Java 17.

问题 15. What is removal of the Security Manager in Java 17?

Reject the Security Manager so it can be taken out in a later update. For several years, it was never the main method of protecting client-side code.

The security manager aimed to secure client-side Java code is yet another feature marked for removal due to not being relevant anymore.