A collection of data grouped together and treated as a single object.
- instance variable:
One of the named pieces of data that make up a structure.
A value that indicates or refers to a variable or structure. In a state diagram, a reference appears as an arrow.
- pass by value:
A method of parameter-passing in which the value provided as an argument is copied into the corresponding parameter, but the parameter and the argument occupy distinct locations.
- pass by reference:
A method of parameter-passing in which the parameter is a reference to the argument variable. Changes to the parameter also affect the argument variable.
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