Object-Oriented Software Development Using Java

Object-Oriented Software Development Using Java

Xiaoping Jia, Ph.D

Chapter 7: Design by Abstraction

Contents
   7.1 Design Patterns
         7.1.1 Design Pattern: Singleton
   7.2 Designing Generic Components
         7.2.1 Refactoring
         7.2.2 Design Pattern: Template Method
         7.2.3 Generalizing
         7.2.4 Design Pattern: Strategy
   7.3 Abstract Coupling
         7.3.1 Enumerating Elements
         7.3.2 Design Pattern: Iterator
   7.4 Design Case Study—Animation of Sorting Algorithms
         7.4.1 The Initial Implementation
         7.4.2 Separating Algorithms
         7.4.3 Design Pattern: Factory
         7.4.4 Separating Display Strategies

Other Chapters

Example 7.1 A Generic Animation Applet

Source code: AnimationApplet.java
Source code: DigitalClock3.java
Compile:

javac DigitalClock3.java

Run the applet using appletviewer

appletviewer DigitalClock3.html

Run the applet in your browser

Example 7.2 A Double-Buffered Generic Animation Applet

Source code: DBAnimationApplet.java
Source code: BouncingBall2.java
Compile:

javac BoucingBall2.java

Run the applet using appletviewer

appletviewer BoucingBall2.html

Run the applet in your browser

Example 7.3 A Generic Function Plotter

Source code: Plotter.java
Source code: PlotSine.java
Source code: PlotSqrt.java
Source code: PlotLog.java
Source code: PlotCosine.java
Compile:

javac PlotSine.java

javac PlotSqrt.java

javac PlotLog.java

javac PlotCosine.java

Run the applet using appletviewer

appletviewer PlotterDemo.html

Run the applet in your browser

Example 7.4 A Generic Function Plotter That Plots Multiple Functions

Source code: MultiPlotter.java
Source code: Function.java
Source code: Sine.java
Source code: Cosine.java
Source code: PlotSineCosine.java
Compile:

javac PlotSineCosine.java

Run the applet using appletviewer

appletviewer PlotSineCosine.html

Run the applet in your browser

Case Study: Sorting Animation

Source code: Sort.jar(Include all the source files)
Compile:

javac *.java

Run the monolithic Sort applet using the appletviewer

appletviewer SortDemo.html

Run the Sort2 applet using the appletviewer (Strategy and Factory design patterns for algorithms)

appletviewer Sort2Demo.html

Run the Sort3 applet using the appletviewer (Strategy and Factory design patterns for display)

appletviewer Sort3Demo.html

Run the Sort3 applet using the appletviewer: another dsiplay strategy

appletviewer Sort3Demo2.html

Run the monolithic Sort applet in your browser
Run the Sort2 applet in your browser (Strategy and Factory deaign patterns for algorithms)
Run the Sort3 applet in your browser (Strategy and Factory deaign patterns for display)
Run the Sort3 applet in your browser: another display strategy

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