How can I read a file as unsigned bytes in Java?

Question

How can I read a file to bytes in Java?

It is important to note that all the bytes need to be positive, i.e. the negative range cannot be used.

Can this be d

Answer 1

With the unsigned API in Java 8 you have Byte.toUnsignedInt. That'll be a lot cleaner than manually casting and masking out.

To convert the int back to byte after messing with it of course you just need a cast (byte)value