What’s often confusing to Java beginners is that classes also have interfaces. As I explained in Java 101: Classes and objects in Java, the interface is the part of the class that is accessible ...

Java 11 is getting long in the tooth, so many developers are moving to the next oldest version that's still supported, Java 17. Here's what's different.

Currently Java objects have a 128-bit object header in the 64-bit HotSpot VM, with a 64-bit multipurpose header word and a 64-bit class pointer.