question: public SimpleString concat ( final char c ) { byte [ ] bytes = new byte [ data . length + 2 ] ; System . arraycopy ( data , 0 , bytes , 0 , data . length ) ; bytes [ data . length ] = ( byte ) ( c & 0xFF ) ; bytes [ data . length + 1 ] = ( byte ) ( c > > 8 & 0xFF ) ; return new SimpleString ( bytes ) ; }
target:  Concatenates a SimpleString and a char