8.12. Glossary

structure:

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.

reference:

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.

Q-1: Match the definition to the term. Try again!
• structure
• 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.
• reference
• A value that indicates or refers to a variable or structure.
• 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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