Shang Silicon Valley_ Java zero foundation tutorial (Collection:set,map) -- learning notes
1, Overview of Java collection framework
1. Understanding
1) Collection and array are structures that store multiple data, which are referred to as Java containers for short. Note: storage at this time mainly refers to memory level storage, and does not involve persistent storage (. text,. jpg,. avi, in the database).
(2) Array features ...
Added by mady on Wed, 15 Dec 2021 04:33:27 +0200