Instances

- [Instructor] In this movie…we'll learn how to use our class definition…to create an instance.…Let's begin with the definition…for this word instance.…In general use, an instance is a single occurrence…of something.…When we're talking about object oriented programming,…that single occurrence of something…is a single object…created from a class definition.…So we're be using this word instance a lot.…And you'll hear the terms object…and instance used interchangeably.…I'm certain that I'm going to do it,…but instance is technically…the more correct term.…

So let's see how we create an instance.…The first thing, of course, is we have to have…a class definition before we can create…an instance of it.…The way we create the instance of the class…is by using the new keyword…followed by the class name.…This is called instantiation.…Or we could use it as a verb…and say that we instantiate it.…Instantiation is just a fancy word…that means to create an instance.…Note that the class name here is not a string.…Once a class has been declared,…