methods, so we use classes to organize our code. By the same token, we have a concept called package, and we use a package to group related classes.
As our applications grow, we're going to end up with hundreds or even thousands of classes, so we should properly organize these classes into packages. The base package for a Java project is the domain name of your company in reverse.
The code editor might look a little bit intimidating at first, but trust me it's really easy and you're going to learn about it throughout this course. For now, just type a base package for your project; it can be your name or whatever, it doesn't really matter.
Marsh has put together a comprehensive cheat sheet with summary notes that you can download below this video.
IntelliJ is building our application and we can see the result in this little terminal window. So, here's our "Hello World" message. That was our first Java program.
Next, I'm going to explain how Java code gets executed under the hood.
