Mar 30: Java Interfaces

Learning Objectives

After today’s class, you should be able to:

• Describe the polymorphic algorithms provided by the Java library.
• Implement the Comparable interface to allow objects to be sorted.
• Use polymorphism to allow for multiple types of specialization.

Lesson Outline

Debrief [10 min]

• PA 1 solution on Canvas Files

Mini Lecture [10 min]

• Lesson: Algorithms (sorting, searching, etc.)
  • Java utility classes: Arrays and Collections
• Example: Algorithms.java and Card.java
  • Works because Card implements Comparable
  • Notice Card is comparable to other Card objects

Lab13 [30 min]

• Lab 12: Bob’s SortedAisle

Your To-Do List

• Start reading Week 10
• Submit Quiz 9 due Thursday
• Read the PA 2 spec