Final answer:
In general, a setter method is used to set the value of an instance variable within a class. It usually takes at least one argument.
Step-by-step explanation:
In general, a setter method is a type of method in programming that is used to set the value of an instance variable within a class. It is typically used to update or modify the state of an object. A setter method usually takes at least one argument, which is used to assign a new value to the instance variable.