Computer Science 225
Advanced Programming

Spring 2021, Siena College

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Agenda

• Announcements
  • Final Project
    • due at close of business on Friday
    • don't forget the video demos (will accept these until our final exam slot)
    • live demos in class on Friday, with 5 projects you get a hard limit of 10 minutes each and we'll do it by Zoom screen sharing
  • Final exam info: see study guide with a few practice questions
  • Lab 9: Threads for Parallel Processing (in Canvas and GitHub), wrap up soon, but no later than before your lab time this week
  • Lab 10: Working with Regular Expressions (in Canvas and GitHub) due as usual 24 hours before your lab this week, but most groups are done anyway
• Memory details for threaded programs: wrapping up from last time
• Course wrapup
  • what we did
  • what we didn't get to (see links below)
• More Java: Odds and Ends (whatever we don't get to, we'll check out as part of a short lab this week)
  • Enumerated types
  • The final keyword
  • Access control with overriding
  • Files and Exception Handling

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

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

Links

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