Help needed, regarding byte array

is there anyway I can get around this problem??
byte[] BYTEBYTE = new byte[10];
BYTEBYTE[0] = 0x43;
BYTEBYTE[1] = 0x00;
BYTEBYTE[2] = 0x66;
BYTEBYTE[3] = 0x67;
BYTEBYTE[4] = 0x80;
Error message:
possible loss of precision
found : int
required: byte
BYTEBYTE[4] = 0x80;
____________^
how can I throw a byte ranging from 0x80 to 0xff and output it into a file??

how can I throw a byte ranging from 0x80 to 0xff and
output it into a file??Cast them to bytes.
BYTEBYTE[0] = (byte) 0x43;
...

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Message was edited by:
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Alright I found something I am not sure if it is of use to you , A checksum is generally used to detect the integrity of file
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