Contents

Jar

Jar files and applets - Using Jar files

Java

Basic Java

My Calculator - GUI and general programming
System info - Retrieve information about the local system
A watch - Get the time. Using sin and cos functions.
Boxing / Unboxing - Automatic type conversion
Birdflu Simulator in Java - Short introduction to inheritige, generics and epidemics
Load resources - Find external resource files

java.awt

Font viewer - Managing fonts in Java
Picture viewer - Image, JPEG, GIF, PNG
Recursion - Graphics and recursion
Geometry in 2D space - Point, Rectangle and more
Interactive 2D graphics - Graphics2D, picking and moving objects

java.awt.dnd

Bookmark utility part 1 - Drag & Drop in
Bookmark utility part 3 - Drag & Drop out

java.io

ls and dir - File operations and enviornment variables
Classpath - getting acquainted - Classpath, files and class loading
Java cp - A simple copy utility

java.net

Exchange rate calculator - Part 1/2 - HTTP download and reading files
Bookmark utility part 2 - Get page title - HTML download
Bookmark utility part 4 - 404 - URL not found - URL download, HTTP responses
Simple multicast - MulticastSocket for multicast server and client
Bookmark utility part 5 - Importing bookmarks - Parsing and building trees.
Revised Exchange Rate Calculator - So far only for Norwegian Kroner

java.util

Mapping with HashMap - Using HashMap, autoboxing and the for-each loop.

javax.imageio

Save that screen - Simple screencapture and image output

javax.swing

Exchange rate calculator - Part 2/2 - GUI
Options Dialog Box - Using Swing GUI and Properties

javax.swing.tree

Trees and nodes - Tree structures
Directory tree in Java - Using JTree and the javax.swing.tree package

JUnit

Introduction to JUnit - Creating basic JUnit 4.0 test

site: Håvard Rast Blok

mail:

updated: 27 July 2007