Java Customization Builder is a tool which customizes your java application and JRE, and makes an EXE loader for the java application.
It is a java application building tool enabling you to generate a very small java archive package which has a slimmed jre. For the swing application, the archive is less than 5M, for the SWT application, the archive is less than 3M usually. And the customed java applicaton can run on the Windows which doesn't install a JRE, and be loaded by an executable.