DEROutputStream.java:3: cannot resolve symbol
symbol : class FilterOutputStream
location: package io
It seems that its looking for these files in its classpath to compile even I put the rt.jar of the J2SE in the lib directory and also extract it to the classes directory of the project created with the J2ME wireless toolkit
In other words, please do not keep reviving old threads with the same questions. You're not likely to get any better results that way. Your next step, instead of repeating the question, is to take the advise you've already been provided, and try it out in your application.