BlueJ Chapter 4 - Grouping Objects

0:00 Chapter 4 Introduction
1:00 4.1 Building on the themes from Chapter 3
3:36 4.2 The collection abstraction
7:12 4.3 An organiser for music files
10:26 4.4 Using a library class
11:16 4.4.1 Importing a library class
13:46 4.4.2 Diamond notation
15:21 4.4.3 Key methods of ArrayList
16:06 4.5 Object structures with collections
19:16 4.6 Generic classes
21:06 4.7 Numbering within collections
23:09 4.7.1 The effect of removal on numbering
24:43 4.7.2 The general utility of numbering with collections
26:39 4.8 Playing the music files
28:25 4.8.1 Summary of the music organiser
29:25 4.9 Processing a whole collection
31:25 4.9.1 The for-each loop
35:32 4.9.2 Selective processing of a collection
37:02 4.9.3 A limitation of using Strings
38:14 4.9.4 Summary of the for-each loop
41:26 4.10 Indefinite iteration
43:57 4.10.1 The while loop
46:59 4.10.2 Iterating with an index variable
51:28 4.10.3 Searching a collection
56:50 4.10.4 Some non-collection examples
57:39 4.11 Improving structure - the Track class
1:02:12 4.12 The Iterator type
1:07:13 4.12.1 Index access vs iterators
1:09:10 4.12.2 Removing elements
1:12:26 4.13 Summary of the music organiser project
1:14:02 4.14 Another example - an auction system
1:15:53 4.14.1 Getting started with the project
1:19:02 4.14.2 The null keyword
1:21:15 4.14.3 The Lot class
1:23:00 4.14.4 The auction class
1:23:42 4.14.5 Anonymous objects
1:24:40 4.14.6 Changing method calls
1:27:05 4.14.7 Using collections
1:27:26 4.15 Summary

Видео BlueJ Chapter 4 - Grouping Objects канала Nicholas Day