How long does take to write 20 GB of data?

Question

10 hours

Answer 1

int num1 = 1;
int num2= 2;
long num3=119451504657036;
ByteArrayOutputStream OutputStream = new ByteArrayOutputStream();
    DataOutputStream outPutdata = new DataOutputStream(OutputStream );
    try {
      outPutdata.writeLong(num3);
      outPutdata.write(num1 );
       outPutdata.write(num2 );
    } catch (IOException e1) {
       e1.printStackTrace();
DatagramPacket out = new DatagramPacket(OutputStream .toByteArray(),i have add DatagramPacket , but how to read it ?
byte[] inbuf = new byte[24];
          DatagramPacket intPacket = new DatagramPacket(inbuf, inbuf.length);
ByteArrayInputStream bin = new ByteArrayInputStream
                     (intPacket .getData());
                    and then ...????? how to do ? can you give me more tip ?