Computer Science 225
Advanced Programming

Spring 2021, Siena College

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Class examples will be linked below. Please report any missing examples.

Administrative

• Late Penalty Calculators

Review

• StaticStuff: static methods and variables
• BuildingStrings: comparing String concatenation with the StringBuilder class

Interfaces and Inheritance

• IteratorMethod: a method operating on an Iterator
• AnimalInterface: custom interface and an anonymous class
• PointOverload: ad-hoc polymorphism
• ColorPoint: simple inheritance example
• Overriding: demonstration of method overriding in derived classes
• AnimalAbstract: an abstract class
• AbstractClass: another example of a simple abstract class

GUI and Event Handling

• HelloSwingWorld: a basic Java Swing application
• HelloJOptionPane: simple example of the JOptionPane
• FiveGuys: a complex Swing GUI

Spatial Data Structures

• Points2D: spatial data structures including an adaptive quadtree

Event-Driven Programming

• MouseDroppings: basic mouse event handling and maintaining a list of objects to redraw
• SpiralLines: dragging to draw spiral shapes
• SunAndMoon: move/drag events to affect the state of objects displayed
• UglyDragABall: dragging an object with the mouse, but a little ugly
• DragABall: dragging an object with the mouse, better
• DragMany: drag any of many objects, including a custom class to represent the shapes we drag

Animation and Threads

• FallingBallDemo: a first animation and first thread
• SnowScene: more threads and importing an image
• ATMConcurrency: demonstration of race conditions and the synchronized keyword

Keyboard Events

• ArrowBall: handling keyboard events, in this case arrow keys, in a graphics program

More Animation and Threads

• BallTosser: animation with bouncing off the walls and gravity.
• SynchronizedBallTosser: same, but with thread safely using explicit locks.

Packages

• TwoTimers: a class conflict from wildcard imports
• ThreadGraphicsPackage: creating your own package, base classes to factor out some code common to graphics animations

Animation with Collisions

• Breakout: a game using collision detection, built using the package above

Files and Exception Handling

• FileMethods - demonstrate some methods of java.io.File
• CatchExamples - demonstrate try..catch..finally, including with resources
• Matrix2D - user-defined exceptions

Java Odds and Ends

• OverrideAccessControl - playground to try changing access control for overridden methods
• PolymorphicProblems - examples of hiding and obscuring
• Initializers - initializer blocks