JDK source code reading collection details

I've seen an exaggeration called "people who haven't read the JDK source code don't count on learning java". Start intensive reading of the source code from today. The source code suitable for intensive reading is nothing more than Java io,. Util and Class under Lang package.

In the interview questions, there are still many investigations on the collection, so I'll start with the source code of the collection.

（1） The first is the collection interface.

Collection is the root interface of all collection classes; Collection inherits Iterable, that is, all classes in collection can use foreach method.

summary

The above is all about the JDK source code in this article. I hope it will be helpful to you. Interested friends can continue to refer to other related topics on this site. If there are deficiencies, please leave a message to point out. Thank you for your support!