Treehouse NewsNew Course Roundup: Java, SQL, iOS

Mary McPherson
writes on December 21, 2015

Every week, new content is published to the growing Treehouse Library! Here is a short list of what was added the week of December 14, 2015.


Unit Testing in Java Craig Dennis
Unit testing is a Java best practice that ensures your code is working how it was intended. It is a critical habit that you should develop early on in your coding adventures.

SQL Basics Andrew Chalkley
In SQL Basics we’ll take a look at what databases are and how you can retrieve information from them. Databases can store massive amounts of information to be retrieved at a later date. Databases act as the memory for dynamic web sites or mobile apps.


iOS Memory Management Gabe Nadel
Memory management has changed considerably since iOS first came on the scene. Let’s explore how to manage memory effectively in the newest Swift code, legacy Obj-C code and bridge the gap between the two.


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One Response to “New Course Roundup: Java, SQL, iOS”

  1. Megan Panich on December 27, 2015 at 8:58 am said:

    Just wanted to say THANK-YOU Treehouse for finally getting courses in SQL! I’m a management information systems undergrad who just took a course for school in SQL, using Oracle iSQL Plus database, and I LOVED it. I just started the SQL basics track above and am appreciating the big picture Andrew is presenting and showing all the SQL databases and NoSQL databases. Keep theses courses coming please! I’m a full time Systems Analyst and knowing a database query language is beneficial tool to being a successful systems analyst.

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