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OCAJ1: 31

  1. Frameworks
  2. Java SE 8 Programmer I

CodeHS Lessons

Use abstract classes and interfaces

AP Computer Science A (Mocha)
Standard
4.14 Class Design and Abstract Classes
4.17 Interfaces

IB Computer Science Standard Level
Standard
12.14 Class Design and Abstract Classes
12.17 Interfaces

IB Computer Science Higher Level (Year One)
Standard
18.14 Class Design and Abstract Classes
18.17 Interfaces

Texas Computer Science 2
Standard
6.14 Class Design and Abstract Classes
6.17 Interfaces