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[Source] Java byte[] and InputStream are converted to each other

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Posted on 8/12/2021 10:58:43 AM | | |
1:byte[] to InputStream
InputStream sbs = new ByteArrayInputStream(byte[] buf);

2: InputStream to InputStreambyte[]
ByteArrayOutputStream swapStream = new ByteArrayOutputStream();
byte[] buff = new byte[100]; buff is used to store temporary data read in loops
int rc = 0;
while ((rc = inStream.read(buff, 0, 100)) > 0) {
swapStream.write(buff, 0, rc);
}
byte[] in_b = swapStream.toByteArray(); in_b is the result after the conversion

The code is as follows:

Copy the stream stream code

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