[aspectj-users] Aspecting java classes ??

[prasenjit mukherjee <prasenjit.mukherjee@xxxxxxx>]

Is there any way to introduce code on java system classes, may be by 
modifying -Xbootclasspath. For example:

before (): call(void java.lang.System.out.print*(*)) 
{System.err.println("Before sysout"+thisJoinPoint);}

prasen