What is the better approach to convert primitive data type into String

Question

I can convert an integer into string using

String s = \"\" + 4; // correct, but poor style
or
String u = Integer.toString(4); // this is good

I

Answer 1

There's a third one - String.valueOf(..) (which calls Wrapper.toString(..)

Actually the compiler adds Wrapper.toString(..) in these places, so it's the same in terms of bytecode. But ""+x is uglier.