Java Data Structures
Building the Model
Why would we create Karaoke class outside of package com.teamtreehouse.model;
What's the advantage of this behavior?
It is best practice to make project structure to group your classes and other resources into groups. Therefore it will be easier to fix when it got bugs and also easier to be understand for other developer when they want to use your code. Karaoke.java here consist of initializing codes. On the other hand Song, SongBook represent a form of instantiated object. To be able to define their attributes and methods of behavior thus they called a model.
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