<img width="712" alt="image" src="https://user-images.githubusercontent.com/2409053/187033182-5a2b7e2d-e044-414f-8455-69ea4739891a.png"> why need convert to byte ? since 129 convert to -127. how to identify 129 and -127 ?
why need convert to byte ?
since 129 convert to -127. how to identify 129 and -127 ?