Classes and objects
Introduction to classes and objects in Python.
Lecture in Danish.
00:00 Object oriented programming vs functional and imperative programming
03:10 Selected object oriented programming languages
05:23 Design patterns
06:42 Examples of builtin types and methods
13:18 Classes and objects
15:31 Using a user defined class
17:41 Defining a class
24:21 Uninitialized data attributes
25:35 _init_ object initializer mehtod
29:49 _init_ with arguments
32:00 On accessor and mutator methods
36:48 Defining an order on objects _lt_ (operator less than)
39:20 Converting objects to strings _str_
41:15 Convention using _name for "private" variables
44:21 C++ private vs public
47:24 Java private vs public
49:50 Python name mangling
51:55 Class data attributes
54:36 Example: class data attribute next_id
1:00:46 Python attributes _dict__, __name__, __class_
1:03:47 Java class data attributes (static)
1:05:04 C++ class data attributes (static)
1:06:06 Class with constants
1:06:58 PEP8 conventions about classes
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