Re: DataInputStream

Robert Klemme <>
Wed, 5 Oct 2011 08:58:44 -0700 (PDT)
On Oct 5, 4:17 pm, bob <> wrote:

The issue is that it's too slow.

Ah, now we're getting closer to the point. I'd first test whether the
slowness is caused by the underlying stream or the reading procedure.
If it's the stream (e.g. because you read unbuffered from a socket)
then you might want to add buffering or you need a faster NIC. If
it's in the reading then look at Mark's suggestion.

What I'm hoping for is something like this:

                        byte[] b = new byte[num=


              , 0, numfloats*=


                        float[] f = (float[]) b=


                        return f;

I don't know why, but it won't let me do the cast. Any ideas?

See Patricia's reply. Java works fundamentally different from C or C+
+. For example, there are no pointers into memory. I seriously
suggest you make yourself familiar with the language and the JVM.

Kind regards


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