Most important programming steps

Install JDK from http://www.javasoft.com/
 
using Textpad, configured for Java
(Configure -> Preferences -> Tools -> Add JDK commands)
without Textpad
open text editor Start -> Class -> Textpad e.g. Start -> Programs -> Accessories -> Notepad
(or Wordpad but make sure not to save formatting commands)
type in program .. ..
save program File -> Save 
Files can also be saved automatically before compilation.
(Configure -> Preferences -> Tools -> Compile Java -> Save all documents first)
File -> Save (for Notepad)
compile program Tools -> Compile Java
To correct compiler errors: move cursor to line with error and press enter.
Open DOS window
Start -> Programs -> MS-DOS Prompt
cd [..]
javac [].java
run program Tools -> Run Java Application
Tools -> Run Java Applet
In DOS window
applications: java [..].class
applets: create html-file, then: appletviewer [..].html