> performance in general. Really? Forcing you to copy whenever you want to modify gives you worse performance. > If strings weren't immutable, you'd have to c

> performance in general. Really? Forcing you to copy whenever you want to modify gives you worse performance. > If strings weren't immutable, you'd have to copy s to avoid changing / breaking it. That seems like a disadvantage to me. With mutable strings, you have the option to modify it in place instead of being forced to copy.