Computer Science 225
Advanced Programming

Spring 2022, Siena College

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Agenda

• Announcements
  • Final Project continues
    • Academic Showcase and final submissions on Friday
    • Work together to create your group's post-project report
  • Final exam info: see the shared document sent out last week
  • Any interest in a review time for the final exam on Saturday?
  • Lab 10: Threads for Parallel Processing (in Canvas and GitHub): wrap up soon
  • A few exam improvement opportunity time slots remain
  • There will be a short lab this week, which we are starting in class today
  • Please provide your honest and thoughtful feedback through course evaluations, you're also welcome to give your thoughts directly to me in addition
• Wrapping up the memory diagram from last time
• Course wrapup
  • what we did
  • what we didn't get to (see links below)
• Files and exception handling
• More Java: Odds and Ends (we'll cover these by starting our last lab now, to be finished during lab meetings this week)
  • Enumerated types
  • The final keyword
  • Access control with overriding
  • Covariant return types
  • Polymorphic names
  • Initializer blocks

Terminology

• enumerated type
• covariant return type
• final class
• final method
• immutable
• polymorphism
• overloading
• overriding
• shadowing
• hiding
• obscuring
• initializer blocks
• static initializer block
• instance initializer block

Examples

• FileMethods - demonstrate some methods of java.io.File
• CatchExamples - demonstrate try..catch..finally, including with resources
• Matrix2D - user-defined exceptions
• OverrideAccessControl - playground to try changing access control for overridden methods
• PolymorphicProblems - examples of hiding and obscuring
• Initializers - initializer blocks

Links

• The Collections Framework
• Internationalization
• Interfaces with Default Methods
• Lambda Expressions
• Testing with JUnit 5