Does Object and Data Input/output streams creates conflict?

Question

I have this client code

dOut = new DataOutputStream(socket.getOutputStream());
oos = new ObjectOutputStream(socket.getOutputStream());
dOut.writeByte(2);  <--when readByte on server gives -84
oos.writeObject(rectangle);

if slightly changed

dOut = new DataOutputStream(socket.getOutputStream());
dOut.writeByte(2);  <--when readByte on server gives 2
oos = new ObjectOutputStream(socket.getOutputStream());
oos.writeObject(rectangle);

why is this happening? case is similar in inputstream as well.

user207421 · Accepted Answer · 2015-10-16 00:18:53Z

1

Yes. The data will get hopelessly mixed up.

There's no need for this. ObjectOutputStream already has all the methods of DataOutputStream. You don't need them both.

answered Oct 16, 2015 at 0:18

user207421

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