Play around with each of the different fields within the for loop so you get a good idea, and keep in mind that not only does I function as a way for the for loop to count how many times it's going to run, but sometimes it can come in handy just like we’re doing here where we’re actually printing out i to the console. So always keep in mind that you have i as a resource for you. But as soon as it hits the ending closing curly brace about for loop, i goes away because it’s a local variable and its scope only exists within the for loop..