Chapter 15

Question 1

object-oriented language

Answer 1

A language that provides features, such as user-defined classes and inheritance, that facilitate object-oriented programming.

Question 2

object-oriented programming

Answer 2

A style of programming in which data and the operations that manipulate it are organized into classes and methods.

Question 3

method

Answer 3

A function that is defined inside a class definition and is invoked on instances of that class. :override:: To replace a default. Examples include replacing a default parameter with a particular argument and replacing a default method by providing a new method with the same name.

Question 4

initialization method

Answer 4

A special method that is invoked automatically when a new object is created and that initializes the object’s attributes.

Question 5

operator overloading

Answer 5

Extending built-in operators ( +, -, *, >, <, etc.) so that they work with user-defined types.

Question 6

dot product

Answer 6

An operation defined in linear algebra that multiplies two Points and yields a numeric value.

Question 7

scalar multiplication

Answer 7

An operation defined in linear algebra that multiplies each of the coordinates of a Point by a numeric value.

Question 8

polymorphic

Answer 8

A function that can operate on more than one type. If all the operations in a function can be applied to a type, then the function can be applied to a type.