Need to add multiple values to a key in a Java HashMap but can't figure out how to do it? Here are three examples of how to solve the multiple values per key problem in Java.

This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, and more.

Learning how to make, copy, and level up a map in Minecraft is pretty easy to do, and we'll show you how it's done.

So if you’re looking for a recipe on how to make a map, how to use it, or how to level up a map, we have you covered in our Map guide below. Looking for something particular in our Map guide?