Course Notes Table Of Contents

Course Notes

• 1. Introduction

  • Agenda - Day One
  • Java Can Help!
  • Portability
  • Portability: Java Language
  • Portability: Java Library
  • Portability: Java Byte Code
  • Security
  • Security (continued)
  • Robustness
  • Distributed Applications
  • Online Demos on WWW
  • Porting Strategies
  • Complete Rewrite to 100% Java
  • Native-Code Interface
  • Client/Server using Sockets
  • Third-Party Portability

• 2. Introduction to VisualAge for Java

• 3. AWT Review

  • AWT Review
  • AWT Concepts
  • AWT Component Hierarchy
  • Component
  • Container
  • Button
  • Canvas
  • Checkbox
  • CheckboxGroup
  • Choice
  • Label
  • List
  • ScrollBar
  • TextComponent
  • TextArea
  • Panel
  • Applet
  • ScollPane
  • Window
  • Frame
  • Dialog
  • FileDialog
  • Menus
  • Menu Components
  • Menu Components (continued)
  • Layout Managers
  • Layout Managers (continued)
  • AWT-Provided Layout Managers
  • AWT-Provided Layout Managers (continued)
  • But None of the Layout Managers Solve my Problem!
  • FlowLayout
  • BorderLayout
  • CardLayout
  • GridLayout
  • GridBagLayout
  • Interface Layout Design
  • Layout Manager Design Considerations
  • Layout Manager Design Considerations (continued)
  • About CardLayout
  • About BorderLayout
  • About BorderLayout (continued)
  • About FlowLayout
  • About GridLayout
  • About GridBagLayout
  • Custom Layout Managers

• 4. Comparison of OS/2 and Java GUI Components

  • Agenda -- Day Two
  • OS/2 Controls vs. AWT Components
  • Push Button
  • Check Box
  • Radio Button
  • ComboBox
  • Container
  • EntryField
  • Frame
  • ListBox
  • Menu
  • MultipleLineEntryField
  • Notebook
  • ScrollBar
  • Slider
  • SpinButton
  • Static
  • TitleBar
  • ValueSet
  • An Example of Interface Design
  • An Example of Interface Design
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Example (continued)
  • Another Example

• 5. Events in OS/2 and Java

  • Event-Driven Programming
  • OS/2 Messages
  • Java Events
  • Old-Style Events
  • Delegation-Model Events
  • VisualAge Event Setup
  • Property-to-Property Connections
  • Event-to-Property Connections
  • Event-to-Method Connections
  • Event-to-Script Connections
  • Property-to-Method Connections
  • Parameter Connections
  • Constant Parameters
  • Multiple Connections
  • Editing the VisualAge-Generated Code
  • Editing the VisualAge-Generated Code (continued)
  • A Few Tricks
  • Factoring Connections
  • Tear-Off Properties
  • Casting Properties

• 6. File Input and Output

  • Agenda -- Day Three
  • OS/2 File I/O
  • OS/2 File I/O APIs
  • DosOpen / DosClose
  • DosRead / DosWrite
  • DosResetBuffer / DosDevIOCtl / DosSetFileInfo
  • DosSetFilePtr / DosDupHandle
  • Java File I/O
  • Java File I/O Issues
  • Predefined System I/O Objects
  • File Objects
  • File Objects (example)
  • Writing Output
  • FilterOutputStream
  • FileOutputStream
  • DataOutputStream
  • PrintStream
  • BufferedOutputStream
  • Reading Input
  • FileInputStream
  • DataInputStream
  • StringBufferInputStream
  • Random Access I/O
  • Reading From URLs
  • Client/Server Introduction
  • Client/Server Visualization
  • What's a Socket?
  • Creating Servers
  • Creating Clients
  • What to Do Upon Connection?
  • Multiple Clients

• 7. Threads

  • Threads
  • Thread Introduction
  • OS/2 Threads and Semaphores
  • DosCreateThread
  • DosSuspendThread / DosResumeThread
  • DosWaitThread / DosKillThread / DosExit
  • Additional APIs
  • Semaphores
  • Event Semaphores
  • Event Semaphore APIs
  • Mutex Semaphores
  • Mutex Semaphore APIs
  • MuxWait Semaphores
  • MuxWait Semaphore APIs
  • Java Threads
  • Spawning a Thread
  • Spawning a Thread Continued...
  • Thread Example
  • Thread Example Continued...
  • Thread Control
  • Problems With Threads
  • Thread Safety: Terminology
  • Thread Safety and Java
  • Synchronization Example
  • Synchronization Example (continued)
  • Synchronization Example (continued)
  • Solution 1
  • Solution 2
  • Synchronized Statements
  • Per-Class Synchronization
  • Per-Class Synchronization Cont'd...
  • Condition Synchronization
  • Condition Synchronization Cont'd...
  • Blocking Queue
  • Thread Liveness
  • Deadlock
  • Deadlock Example
  • Thread Starvation
  • Ensuring Safety and Liveness
  • Converting OS/2 to Java
  • Thread Manipulation
  • Thread Manipulation (continued)
  • Thread Manipulation (continued)
  • Semaphores

• 8. A Complete Porting Example

• Reference Sections

• A1. Making the Transition from OS/2 to Java

  • Colored panes
  • Compass Points
  • Drawing a Stick Figure
  • Phone dialing keypad
  • Absolute Layout
  • Color List
  • Display a file from a File Dialog
  • Double-buffering
  • Menus

• A2. Object-Oriented Basics

  • Preview
  • Isn't OO Something New?
  • Isn't Procedural More Efficient?
  • Isn't OO Hard?
  • Isn't Code Reuse the Most Important Thing to OO People?
  • A Procedural Programmer Actually Invented Object-Oriented Programming
  • Shifting the Paradigm from Structured to Object-Oriented
  • What's an Object?
  • State and Behavior
  • The 2 Parts of an Object
  • Hiding Data
  • What Does Object-Oriented Mean?
  • Class and Instance
  • Defining by Difference
  • Inheritance, Overriding and Refining
  • Types of Inheritance
  • Messages and Methods
  • Interface and Implementation
  • Dynamic Binding
  • The Class is Also an Object
  • Protocols
  • Garbage Collection
  • Language and Library
  • Libraries Expand a Programmer's Range
  • OO Benefits
  • Downsides
  • Terms and Examples
  • Review
  • Java

• A3. Java Basics

  • Portability
  • Security
  • Robustness
  • Java Program Structure
  • Java Program Execution
  • A Simple Application
  • Applet Execution
  • A Simple Applet
  • HTML/Applet Interface
  • Comments
  • Declarations
    • Primitive Types
    • Objects
    • Strings
    • Array Objects
    • Initializers
    • Constants
  • Expressions
    • Operators
  • Statements
  • Java Semantics
    • Assignment of Objects
    • Method Parameters and Return Values
    • Equality
  • No Pointers!
  • Garbage Collection

• A4. The Java Object Model and Exceptions

  • Classes
    • Method Definitions
    • Constructor Syntax
    • Order of Initialization and Constructor Calls
    • Variable Definitions
    • Class Inheritance
    • Access Rights to Class Members
    • Classes Are "Conscious"
    • Abstract Classes
  • The Relationship between C Structures and Java Classes
    • A Java Implementation
    • Using the List Managers
    • Are Classes Only For Object-Oriented Programming?
  • Packages
    • Package Hierarchy and Directory Hierarchy
  • Interfaces
    • Objects Implement Roles
    • Interface Example 1
    • Interface Example 2
    • Interface Example 3
    • Interface Benefits
    • Interface Implementation Versus Class Inheritance
  • Dynamic Messages
    • Benefits of Dynamic Messages
  • Dynamic Loading
    • Benefits of Dynamic Loading
  • Introduction to Java Exceptions
  • Common Exceptions
  • Uncaught Exceptions
  • Finally Block
  • Runtime vs. Non-Runtime
  • Defining Your Own Exceptions

• A5. AWT Basics

  • Graphical User Interfaces
  • AWT Introduction
  • AWT Concepts
  • Components
    • Buttons
    • Canvas
    • Checkbox
    • CheckboxGroup
    • Choice
    • Label
    • List
    • Scrollbar
    • TextField
    • TextArea
  • Mapping Java Components to the Openclass Library
  • Platform Specific Information
  • Graphics Primitives
    • Lines
    • Rectangles
    • Arcs
    • Polygons
    • Painting
    • Drawing Text
  • Colors
  • Fonts
  • Font Metrics
  • System Colors
  • Containers
    • Insets
    • Adding Components to a Container
  • Layout Managers
    • ScrollPane

• A6. AWT Programming

  • Events 1.0 Style
    • Event Flow
    • Event Handler Return Values
    • Convenience Functions
    • Action Events
    • The Event Class
  • Events 1.1 Style
    • AWTEvent
      • Low-level Events
      • Semantic Events
    • Event Sources
    • Event Listeners
    • Event Adapters
    • Button Pressing Example
    • Adapters Example
  • GUI-Based Applications
    • Applications: Dialog Boxes
    • Applications: File Dialog Boxes
    • Applications: Menus
    • Menu Shortcuts
    • Popup Menus

• A7. Threads

  • Introduction
    • Spawning a Thread
    • Controlling Thread Execution
  • Thread Safety
    • Monitors
    • Mutual Exclusion
    • Condition Synchronization
  • Thread Liveness
    • Deadlock
  • Ensuring Safety and Liveness
    • Restricted Universes
    • "Red Flags" And Hints
  • Further Reading and References

• A8. The Java File I/O Classes

  • Introduction
  • Predefined System I/O Objects
  • File Objects
  • Writing Output
    • What is class FilterOutputStream for?
    • FileOutputStream/FileWriter
    • DataOutputStream
    • PrintStream/PrintWriter
    • BufferedOutputStream
  • Reading Input
    • FileInputStream/FileReader
    • DataInputStream
    • StringBufferInputStream
  • Random Access I/O
  • Reading From Remote File Systems