The static modifier

- In this chapter, we will learn about static properties…and methods.…Static properties and methods are for behaviors…that are related to the class generally,…or the class as a whole.…These are behaviors that are not tied…to any particular instance of the class.…For this reason, they're often referred to…as class properties or class methods.…We're going to have access to them…by calling them directly on the class…without having to have an instance of the class first.…In order to define them,…we're going to use the keyword static.…So for example, if I have a student class,…I can have a static property for grades…by putting the static keyword in front of it.…

In the same place where we put our visibility modifiers…in the last chapter,…and then I can have a static method called motto…by putting static in front of the word function.…The idea is the grades property is holding data…that is related to the class as a whole.…It's not specific to any one instance of the class.…Presumably if I had an instance of student,…