Re: Which is more efficient?

From: Jon Skeet (skeet_at_pobox.com)
Date: 10/24/03 

Date: Fri, 24 Oct 2003 08:47:02 +0100

metfan <qjzhupublic@___NoSpam__yahoo.ie> wrote:
> For the following to snips, which one do you think is more efficient?
>
> snip1:
> BufferedWriter bw = new BufferedWriter(new
> OutputStreamWriter(System.out));
> bw.write("abc" + "def");
>
> snip2:
> BufferedWriter bw = new BufferedWriter(new
> OutputStreamWriter(System.out));
> bw.write("abc");
> bw.write("def");

The first, as it compiles to the same as:

BufferedWriter bw = new BufferedWriter(new
OutputStreamWriter(System.out));
bw.write("abcdef");

because literal strings are concatenated at compile time. 

-- 
Jon Skeet - <skeet@pobox.com>
http://www.pobox.com/~skeet
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