Java Notes: Table of Contents

Java Notes. These Java programming notes are written to fill in missing or weak topics in textbooks that I've taught from. Many pages are useful for reference, but not as an ordered tutorial. Some pages are still rough drafts, but I'm slowly working on fixing them. notes-java-2007-04-25.zip [2.4 MB].

Java Basics. I've started writing a more coherent tutorial called Java Basics. In addition to lessons, there is also commentary which explains why things are done the way they are. JavaBasics-2007-04-25.zip [0.4 MB].

Copyleft - Java Notes is copyrighted by the very permissive MIT License, except as otherwise noted (eg, some GPL'ed images).

Copyright - Java Basics, which has more work put into it, has a traditional copyright, but allows free educational use.

Public Domain - All source code in the examples in both Java Notes and Java Basics is placed in the public domain so you can use them.

Enjoy, Fred Swartz

Background

Java Tools

Deployment

Applications, Applets, etc.

Principles and practices

Style
- Coding guidelines - summary
Cohesion
Design By Contract
Process - Iterative
Errors and debugging
OO Design
- Frameworks
Complexity
Function Point Analysis
- FPA Introduction

Summaries

Introductory Example Programs

Overview of Intro Programs
Do nothing!
- First Program - Do Nothing
Output only
- Console: Hello Earthling
- Dialog: Hello Earthling
Input - Output
Loop (Input, Calculate, Output)
Methods
- Ex: Dialog: Km to Miles - Method
- Ex: Dialog: Input Range Method
Try...Catch
- Ex: Dialog: Km to Miles - Try-Catch

Example GUI Programs

Language

Basics

Control Flow

If
switch
- switch Statement - Overview
- switch Example - Random Insults
Loops
Assertions
- Assertions
Exceptions
Methods

Classes

See Java Basics
Overview
- OOP Terminology
Constructors
Interfaces
- Interfaces
- Example - Handyperson
Reflection / Introspection
- Class class
Enums
- Enums

IO

File IO
Console (System.in / System.out)
- Console I/O
- Console-Dialog Comparison
Dialog (JOptionPane)
- Dialog Box Input Loop
Internet
- Read page from Web server
Formatted Output
- Formatted Output
Properties and Preferences
- Preferences
- Properties
  - System Properties
JDBC
- Database Engines

Algorithms

Big-Oh Notation
- Big-Oh Notation
Comparing
- Comparators
Copying
- Deep vs Shallow Copies
- clone()
Searching
Sorting
Random numbers
Math
- Math and java.util.Random

Other

Data

Basic Types
- Numbers
- Integers
- Floating-point
- Characters
  - Unicode
  - Summary - Character
- Boolean
- Autoboxing
Variables
Expressions
- Expressions
- Precedence
- Assignment
  - Extended Assigment Ops
- Comparison
  - Comparison Operators
  - ==, .equals(), and compareTo()
- Bit operations
  - Bitwise operations
Numbers
- java.math.BigInteger
- Example - Factorial
Strings
- String Overview
- String Comparison
- Summary pages
  - Summary - String
  - Summary - StringBuilder
- Conversion
- Regular_expressions
- StringTokenizer
- String Examples
Arrays
Collections - Generic
- Java Data Structures
- Collections Overview
- Collection Interface
- Lists
- Deques
  - ArrayDeque<E>
- Sets
  - Set<E> interface
- Maps
- Iterators
  - Iterators
- Other
- Exercises
  - Exercise - Unique Components
  - Exercise - State Capitals

GUI

See Java Basics
Basics
- GUI Tips
- GUI Structural Patterns
Summaries
Events and Listeners
Components
- Components
- Introduction to Components
- Where to declare components
- Intro to components
  - Buttons
  - Text
- JLabel
- Buttons
- Textfield
  - JTextField
- Textarea
  - JTextArea
  - Example - JTextArea
- Radio buttons
  - Radio Buttons
- Checkboxes
  - JCheckBox
- Sliders
  - Sliders
  - Change Listener
- Combobox
  - JComboBox (uneditable)
- Menus
  - JMenuBar, JMenu, ...
Containers
- Containers
- Windows
- Dialogs
- Panels
  - JPanel - Container
  - JTabbedPane
Layouts
GUI Program Structure
Misc
- Cursor
- GUI Alternatives

GUI - Appearance

GUI - Low level

Acknowledgements.