Create packages, import packaged classes and interfaces into your programs, move packages, and encapsulate them in jar files.

Importing an entire package should have no impact on the memory use at runtime (you pay for what you use, not what you can see).

I intentionally included three attributes in the MANIFEST.MF example above that are not accessible from Java’s Package class. These are Package-Title, Package-Version, and Package-Vendor.

Java 23 extends import and patterns, but dispenses with string templates In addition to enhanced preview features such as the Class-File API, the JDK brings innovations in pattern matching and ...