This documents gives a list of decompilers which can reverse engineer the Java class files and generate the Java source code files. Thie is very helpful if you do not have the Java source code file and have only the Java class files. You may want to check there for changes. Some vendors do not ship the source code for java class files, in which case you use the java decompiler to look at the source code. This verifies that decompiler program is working perfectly. It is strongly recommended that you do these steps every time you run decompiler programs. You can download distill software from. In order to use ps2pdf, the pdfwrite device must be included in the makefile when Ghostscript was compiled; see the documentation on building Ghostscript for details. The linuxdoc is very simple and is easy to use. You may need to manually correct few lines in the document. In order to view the document in dvi format, use the xdvi program. To read dvi document give the command - xdvi -geometry 80x90 howto. To navigate use Arrow keys, Page Up, Page Down keys, also you can use 'f', 'd', 'u', 'c', 'l', 'r', 'p', 'n' letter keys to move up, down, center, next page, java class decompiler page etc. To turn off expert menu press 'x'. You can read postscript file using the program 'gv' ghostview or 'ghostscript'. The gv program is much more user friendly than ghostscript. You can read java class decompiler latex, LyX output using LyX a X-Windows front end to latex. Additional requests are - you retain the author's name, email address and this copyright notice on all the copies. If you make any changes or additions to this document then you should intimate all the authors of this document.