question: public int skipWhitespace ( ) { try { int readChar = 20 ; char c = SPACE ; while ( Character . isWhitespace ( c ) ) { reader . mark ( 1 ) ; readChar = reader . read ( ) ; c = ( char ) readChar ; } reader . reset ( ) ; return readChar ; } catch ( IOException ioe ) { throw new JsonException ( "An IO exception occurred while reading the JSON payload" , ioe ) ; } }
target:  Skips all the whitespace characters and moves the cursor to the next non-space character.