question: translates the specified character , which is assumed to be in the `` base 64 alphabet '' into its equivalent 6-bit positive integer . concode_field_sep byte altBase64ToInt[] concode_elem_sep char intToAltBase64[] concode_elem_sep byte base64ToInt[] concode_elem_sep char intToBase64[] concode_field_sep byte[] base64ToByteArray concode_elem_sep byte[] base64ToByteArray concode_elem_sep String byteArrayToBase64 concode_elem_sep String byteArrayToBase64 concode_elem_sep String byteArrayToAltBase64 concode_elem_sep void main concode_elem_sep byte[] altBase64ToByteArray
target: int function ( char arg0 , byte [ ] arg1 ) { int loc0 = arg1 [ arg0 ] ; if ( loc0 < 0 ) throw new IllegalArgumentException ( "srini_string" + arg0 ) ; return loc0 ; }