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hey everybody welcome back today were going to use get errs and setters to control access to an object you can obtain values from an object and set values and set a value of a property within an object these are classically called getters and setters getter functions are meant to simply return get returned or get the value of an objects private variable to the user without the user directly accessing the private variable setters Center functions are meant to modify or set the value of an objects private variables based on the value passed into the setter function this change could involve calculations or even overwriting the previous value completely here we have a book with a constructor so if we go book new its going to and then in new we say whatever Robert green or whatever and then the author will be set to that underscore and then a writer okay so then weve got a writer and we return this dot author so if we go book dot writer and then well return author book dot writer th