Re: Writing Binaries to and Reading Binaries from Disk
KevinSimonson wrote:
I'm planning on writing a program that stores a lot of binary informa-
tion, and I'd like to be able to write it to disk when I'm done with
it, so that later I can read it in from disk again. How do you do
that in Java, write binary <short>s to disk and then later read in
those <short>s from disk again?
Kevin Simonson
"You'll never get to heaven, or even to LA,
if you don't believe there's a way."
from _Why Not_
I'm not sure what a binary <short> is but to write a Java short to a
stream you can use the DataOutputStream class. Also you can convert it
to bytes and use a regular OutputStream. Also see BufferedOutputStream.
import java.io.*;
public class test4 {
public static void main(String[] args) throws IOException {
FileOutputStream fos = new FileOutputStream("data.dat");
DataOutputStream dos = new DataOutputStream(fos);
short s1 = -32768;
dos.writeShort(s1);
dos.close();
FileInputStream fis = new FileInputStream("data.dat");
DataInputStream dis = new DataInputStream(fis);
short s2 = dis.readShort();
dis.close();
System.out.print(s2);
}
}
--
Knute Johnson
email s/nospam/knute2009/
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