March 2019
Intermediate to advanced
242 pages
6h 21m
English
Content preview from Java 11 and 12 – New Features
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Manual creation of classes.jsa
This shared archive file can also be created manually using the following runtime command (you should have enough permissions to write to the target directory):
java -Xshare:dump
Here's a sample output of the preceding command:
As you can see from the output messages in the preceding screenshot, this command performs a lot of operations—it loads classes, links them, counts the classes that are included in the shared archive, allocates read-write and read-only objects, and a lot more.
If the file already exists, the preceding command simply overrides the existing file.
The shared archive file that you create ...
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