To create an instance of the class User, you can use a statement such as the following:
details = new User("Wolfgang", "w.a.mozart", "composer")
Or you can create an empty object, like this:
details = new User()
and then populate it later, like this:
details.forename = "Wolfgang" details.username = "w.a.mozart" details.password = "composer"
You can also add new properties to an object, like this:
details.greeting = "Hello"
You can verify that adding such new properties works with the following statement: