The strange thing is that even though Java is very much backwards compatible, big vendors behave as if every new version would break everything. I've had to mo

The strange thing is that even though Java is very much backwards compatible, big vendors behave as if every new version would break everything. I've had to move heaven and earth for an upgrade from 1.4.1 to 1.4.2 when Java 6 was just around the corner, and I hear that there are still many teams using Java 1.4.