Investing Internet Technology Windows Internet Tech. Maybe, maybe not. Either way, you'll find out now. The public keyword, along with private and protected are the three types of modifiers you can use on classes, variables and methods.
Classes are limited to only public and protected though.
Public is self-explanatory. Protected is in between both of them. The beauty of modifiers is that they limit outside classes from manipulating your code if you don't want them to. Just add the private modifier and only your class can make any changes. When choosing the type of modifier to use, you should think about whether or not it has to be accessible outside your class.