Here I will be covering streams. Streams are great ways to essentially sort through lists.   Why should we use streams? Since you can do just about anything with them in a single line of code. There are cases where streams probably aren't the most useful, take this: NPC guard = getNpcs().closest("Guard"); This is our bog standard way of grabbing the closest "Guard" npc. What it would actually be doing behind the scenes would be using a stream like so: public NPC closest(String name) {