ADDITIONAL SYSTEM INFORMATION :
It's from the JDK20 used in Netbeans. Obviously there is an arithmetic overflow, but the compiler does not notice it.

A DESCRIPTION OF THE PROBLEM :
The lines

  final long all=256*256*256*256;
  System.out.println(" all="+all);

results in

 all=0

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
see description; use a 64bit machine

---------- BEGIN SOURCE ----------
see description
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CUSTOMER SUBMITTED WORKAROUND :
using long constants 256L*256*256*256 removes the bug

FREQUENCY :
ALWAYS