Lecture Outline

• An interfaces is an abstract class that consists of method definitions with no body
• Interfaces can be used to require a child class to implement a method in its own way

Lecture Recording

• https://youtu.be/HSBi1X1CYgg

Lecture Slides

• Interfaces

Code

• Square.java
• Triangle.java
• Pentagon.java
• RegularPolygon.java
• ShapesDemo.java

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