Keep Track of Data with Variables
Data are facts—things like your age or the color of your bicycle. To work with these facts in Java, you hold them in variables. A variable is a holder of data. Think of it like a small box you can put things in.
In Minecraft, we use variables to keep track of things like players in the game, a player’s current health and location, and all the other data we need to know. (In fact, you’re going to add some variables to a piece of code in just a minute—a plugin that will build you a house.)
A variable is the box that holds that data. You can put a label on the box, but that’s just a label for your convenience—it ...
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