public static void main(String[] args) {
StringReader r = new StringReader(" --1234,");
ShortTermMemoryReader reader = new ShortTermMemoryReader(r);
IntegerReadService service = new IntegerReadService();
try {
Integer i = service.read(reader);
System.out.println(i);
} catch (Exception e) {
System.out.println(((RowColumnReaderException) e).getColumn());
e.printStackTrace();
}
}