Search for tag: "getters"

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Lesson 23.8 Properties (OPTIONAL) duration 9 minutes 37 seconds Lesson 23.8 Properties (OPTIONAL) Lesson 23.8 Properties (OPTIONAL)	Lesson 23.8 Properties (OPTIONAL) This video introduces an advanced topic that is completely optional and will not appear on any exam. Classes like RGB and Point3 appear to enforce their invariants without any getters and setters.… property attribute numerator method getter setter fraction class properties tutor invariant setters getters denominator decorator module fact specification attributes rgb From Hannah Lee 34 plays
Lesson 23.1 The Principle of Abstraction duration 9 minutes 44 seconds Lesson 23.1 The Principle of Abstraction Lesson 23.1 The Principle of Abstraction	Lesson 23.1 The Principle of Abstraction In this video we introduce the principle of abstraction, which is simply hiding unnecessary details about a class from the user of a class. However, there are many different ways to do that, which is… fraction class python things abstraction operations attributes operator denominator object methods numerator lot times method fractions setters getters encapsulation floats From Hannah Lee 87 plays
Lesson 22.8 Subclass Initializers duration 9 minutes 7 seconds Lesson 22.8 Subclass Initializers Lesson 22.8 Subclass Initializers	Lesson 22.8 Subclass Initializers In this video we show that thte primary purpose of the super function is in the initializer method of the subclass. That is because we cannot guarantee that all of the attributes for the parent class… initializer bonus executive attribute salary employee attributes setters class module method getter helper problem tutor things thing methods getters setter From Hannah Lee 74 plays
Lesson 22.3 The object Class duration 5 minutes 14 seconds Lesson 22.3 The object Class Lesson 22.3 The object Class	Lesson 22.3 The object Class Every class must be a subclass of something, and that parent class goes inside of the parentheses. That means that the word object we have been using in all of class definitions is actually a class.… class object subclass underscore python attributes definition thing things parent folder tutor instance parentheses setters getters features purpose terminal classes From Hannah Lee 79 plays
Lesson 21.6 Immutable Attributes duration 4 minutes 57 seconds Lesson 21.6 Immutable Attributes Lesson 21.6 Immutable Attributes	Lesson 21.6 Immutable Attributes Getters and setters have another advantage in that they allow us to completely disable to any changes to an attribute. This allows us to separate attributes into mutable and immutable attributes,… attribute person turtle setter attributes setters getters initializer class things definition preconditions getter alright underscore distinction error fact statement assignment From Hannah Lee 93 plays
Lesson 21.5 Data Encapsulation duration 9 minutes 5 seconds Lesson 21.5 Data Encapsulation Lesson 21.5 Data Encapsulation	Lesson 21.5 Data Encapsulation In this previous video we introduced the concept of getters and setters. But how do we force the user to use these when the attribute is so much simpler. In this video we talk about the concept of… class attribute attributes method object methods hour interface underscore things specification setters getters hashtag definer thing setter folder tutor string From Hannah Lee 103 plays