The steps for a portablEclipse aren’t that hard:

1. get Eclipse and extract it to your portable drive
2. install a JDK on your or any other PC (I really mean the Java Development Kit, not the JRE – anyway, both should work).
   The default installation path should be something like “C:\Programs\Java”, containing a folder named “jdk1.5.0_xx”
3. create a subfolder “JDKs” in your eclipse folder (depending on your drive letter and extraction path this should look like P:\someFolders\eclipse\JDKs
4. copy the jdk1.5.0_xx folder into the JDKs folder. (like P:\someFolders\eclipse\JDKs\jdk1.5.0_xx)
5. edit the file “P:\someFolders\eclipse\eclipse.ini” to
   
   -vm ..\JDKs\jdk1.5.0_xx\bin\javaw -vmargs -Xms40m -Xmx256m

   1 2 3 4 5

   -vm ..\JDKs\jdk1.5.0_xx\bin\javaw -vmargs -Xms40m -Xmx256m

   (replace “jdk1.5.0_xx” with the actual folder name)
   This is more elegant than using a batch file due to being independent from drive letters and path variables.

6. go to a pc with OR WITHOUT java installed. Connect your portable drive and run “P:\someFolders\eclipse\eclipse.exe”
7. when asked for a workspace location, you can enter “.\workspace”, which will create a workspace in your eclipse folder (like “P:\someFolders\eclipse\workspace\”)
8. do javanese