Does File.deleteOnExit() guarantee that the file is deleted even if the JVM is killed prematurely?
                +4 
                A: 
                
                
              
            Deletion will be attempted only for normal termination of the virtual machine, as defined by the Java Language Specification
No. check the file at next start-up if possible.
                  Tim Bender
                   2009-09-15 01:58:00