question: see #tohexstring byte , int , int , char . concode_field_sep String HEX concode_field_sep String hexDump concode_elem_sep String hexDump concode_elem_sep String formatInt concode_elem_sep byte[] toByteArray
target: String function ( byte [ ] arg0 , char arg1 ) { return Util . toHexString ( arg0 , 0 , arg0 . length , arg1 ) ; }