And you get a new string builder each loop. If you use string builder and
recycle it you don't have to re-create the object. Which doesn't create so
much garbage.
You have the answer and you don't understand it.
> Try compiling these two classes. They produce *identical* class files:
>
> ---- File m1/Stringy.java ----
> public class Stringy {
> public static void main(String[] args) {
> String foo = "def";
> System.out.println("abc" + foo);
> }
> }
> ---- File m2/Stringy.java ----
> public class Stringy {
> public static void main(String[] args) {
> String foo = "def";
> System.out.println(new
> StringBuilder().append("abc").append(foo).toString());
> }
> }
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