Parameterized methods When you have a set of objects that all need to do the same thing, you don't want to have to repeat the same code over and over  You can take in the object as a parameter, and have the set of repeated actions in the method body When you define a new method, you have the option to create new parameter  A dialog box asks you to name your parameter (a placeholder name) and for the type of parameter (number, boolean, object, or other)  Then you can drag the parameter name from the method header into the editor to call methods Only methods that are common to all objects are visible
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