Changing Default Java Version in Mac OS X (Yosemite)

TIP: For Microsoft Windows users, please checkout my other article: https://medium.com/@bryantjiminson/changing-default-java-version-in-microsoft-windows-674f2d6d0955

You may installed a Java Development Kit (JDK) already in your Mac OS X, but what do you do you if your currently installed JDK version is not compatible? Well, I personally had situations like that. More recently, I had to compile a Java project with JDK 1.7 because Google App Engine had a trouble running the project built in JDK 1.8. But my Mac OS X Yosemite already…