Site Search:

Learn java collection framework in a game

<Back

Please study All Known java.util.Collection Subinterfaces and implementation classes, try to remember as much as you can, here is a challenge for you. ⇩


challenge 1 -- earn your equipments.

(stage 1 scenes)

challenge 1 -- side story after clicking reject.

Please start the adventure of studying java and data structure in earth&mars academy.

challenge 2 -- Guardians of the Galaxy.

Algorithm, Mathematics and AI.

challenge 3 -- The spirit of Grandmasters.


https://docs.oracle.com/javase/tutorial/collections/

This chapter requires us to familiar with the Collection interface and its sub interfaces -- what's the usage, what's the methods. We also need to compare a few implementations of the interfaces.



Interface Collection<E>



java.util

Interface Map<K,V>