question: public static void noSpace ( String string ) throws JSONException { int i , length = string . length ( ) ; if ( length == 0 ) { throw new JSONException ( "Empty string." ) ; } for ( i = 0 ; i < length ; i += 1 ) { if ( Character . isWhitespace ( string . charAt ( i ) ) ) { throw new JSONException ( "'" + string + "' contains a space character." ) ; } } }
target:  Throw an exception if the string contains whitespace. Whitespace is not allowed in tagNames and attributes.