This bundle is the ninth chapter of a course geared toward the APCS A exam.

It is designed as a first introduction to the language of Java. Programming experience is encouraged but not required. This is designed to serve as a first look at Java. At the conclusion of the course, students will be able to take the APCS A exam with confidence.

Topics covered in Lesson 9:

OOP-Abstract Classes and Interfaces including:

• abstract keyword
• interface keyword
• extends keyword
• implements keyword
• multiple interfaces
• NO multiple inheritance
• Casting