question: public static void writeStringData ( ByteBuffer buff , String s , int len ) { for ( int i = 0 ; i < len ; i ++ ) { int c = s . charAt ( i ) ; if ( c < 0x80 ) { buff . put ( ( byte ) c ) ; } else if ( c >= 0x800 ) { buff . put ( ( byte ) ( 0xe0 | ( c > > 12 ) ) ) ; buff . put ( ( byte ) ( ( ( c > > 6 ) & 0x3f ) ) ) ; buff . put ( ( byte ) ( c & 0x3f ) ) ; } else { buff . put ( ( byte ) ( 0xc0 | ( c > > 6 ) ) ) ; buff . put ( ( byte ) ( c & 0x3f ) ) ; } } }
target:  Write characters from a string (without the length).