display 1's and 0's of byte array

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dan.ference@gmail.com - 02 Dec 2005 19:07 GMT

I am reading binary messages off of a port via UDP packets ->
socket.receive(packet)

I store the received packet into a byte array -> byte[] received =
packet.getData();

I want to output in binary format the variable received. How do I get
the 1's and 0's to display instead of the asii characters? Any help is
greatly appreciated!

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Chris Smith - 02 Dec 2005 19:12 GMT

> I am reading binary messages off of a port via UDP packets ->
> socket.receive(packet)
[quoted text clipped - 5 lines]
> the 1's and 0's to display instead of the asii characters? Any help is
> greatly appreciated!

Integer.toString(data, 2), for anything that fits in an int. Not that
if you're treating the byte as unsigned, you should instead do
Integer.toString(data & 0xff, 2) to correct for sign extension.

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fastman42 - 02 Dec 2005 19:24 GMT

The solution Integer.toString(int, int) does not work in my case. The
binary messages are being stored in the variable 'received' which is of
type byte[]. I want to be able to display the 1's and 0's of
'received' to the screen for human readability (not the ascii
characters). Sorry if i was not clear earlier.

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Roedy Green - 02 Dec 2005 20:03 GMT

>The solution Integer.toString(int, int) does not work in my case. The
>binary messages are being stored in the variable 'received' which is of
>type byte[]. I want to be able to display the 1's and 0's of
>'received' to the screen for human readability (not the ascii
>characters). Sorry if i was not clear earlier.

use it once on each byte.

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Canadian Mind Products, Roedy Green.
http://mindprod.com Java custom programming, consulting and coaching.

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Chris Uppal - 02 Dec 2005 20:07 GMT

> The solution Integer.toString(int, int) does not work in my case. The
> binary messages are being stored in the variable 'received' which is of
> type byte[].

So use a loop ?

-- chris

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Roedy Green - 02 Dec 2005 20:02 GMT

>I want to output in binary format the variable received. How do I get
>the 1's and 0's to display instead of the asii characters? Any help is
>greatly appreciated!

see http://mindprod.com/jgloss/binary.html

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Canadian Mind Products, Roedy Green.
http://mindprod.com Java custom programming, consulting and coaching.

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fastman42 - 02 Dec 2005 20:11 GMT

Thanks for the help... I got it to work!

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display 1's and 0's of byte array

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