Three collaborating objects and the iterator pattern in Java: Object-Oriented Programming with Java

Published: 21 October 2022
on channel: DesignCodeDebugRepeat

343

This series of videos is suitable for programmers with some programming or Java experience who want to learn object-oriented programming and dig deeper into some other Java features. This video uses the Proverb class that was written in the video on creating a simple class in Java and the code from the video on filling an array of objects from a file. In this video we build some of the game system around the Proverb class by creating a Proverb Manager and a ProverbGame class. We use the iterator pattern in the ProverbManager to allow access to the proverbs. This video is suitable to watch after reading Chapters 0-2 of Java, Java, Java: Object-oriented problem solving, by Morelli, Walde, and Hoffman and with a little knowledge of different ways objects can collaborate in object-oriented systems. However, the video is very straightforward and can also stand alone or accompany any other textbook that has introduced classes and object-oriented design. Let's have some fun learning to program in Java!

Here's the video creating the Proverb class:
• Creating and documenting a simple cla...

Here's the video creating the array and ArrayList of objects from a file:
• Creating an array (and ArrayList) of ...

You can practice writing the ProverbManager from the video here*:
https://codecheck.io/files/2210182214...

You can practice writing the ProverbGame from the video here*:
https://codecheck.io/files/2210182229...

You can practice writing the ProverbManagerIterator from the video here*:
https://codecheck.io/files/2210182234...

The code and text file from this video, along with the Proverb class and classes from the array/file reading video, are in my github repository, available here:
https://github.com/ProfessorBurke/Jav...

You can access the Java, Java, Java book here:
https://runestone.academy/ns/books/pu...

If you want to earn credit for learning to code, take an online course at CCRI! These videos are part of the Advanced Java course:
https://ccri.edu/comp/

*The CodeCheck system courtesy of Cay Horstmann, https://horstmann.com/codecheck/

00:00 Writing the ProverbManager class
05:44 Writing the ProverbGame class
08:01 Using an Iterator object

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