Java Optimizations

Question

I am wondering if there is any performance differences between

1. String s = someObject.toString(); System.out.println(s);

   and

2. System.out.pr

Answer 1

The generated bytecode is not a good measure of the the performance of an given piece of code, since this bytecode will get analysed, optimised and ( in case of the server compiler ) re-analysed and re-optimised if it is deemed to be a performance bottleneck.

When in doubt, use a profiler.