A class implements an interface by appending Java’s implements keyword followed by a comma-separated list of interface names to the class header, and by coding each interface method in the class.

Before Java 5, comments were Java’s only flexible ... type by adding the @ symbol followed by the type name to the method headers. Listing 2 shows a simple example where the main() method ...

Java 25 introduces Compact Object Headers (JEP 519), delivering up to 30% CPU savings and reduced memory usage for ...