I'd like to know as well -- my team (~1MLOC Java product) upgraded from Java 5 to Java 6, and then Java 6 to Java 7, by changing a line in our build script, and

I'd like to know as well -- my team (~1MLOC Java product) upgraded from Java 5 to Java 6, and then Java 6 to Java 7, by changing a line in our build script, and everything worked fine.