Use book.equals("java") (or better "java".equals(book) in case book is
null).
== only determines whether two references point to the same object.
wu qihua wrote:
> I want to get the information about a field the form bean,and let it
> print the information in the funtion of validate.but actually it did
> not work according to my intention,it DO print nothing.every time I
> refresh the browse ,and click the submit button.It just print this
> information
>
> 2002-8-28 11:11:10 org.apache.struts.action.RequestProcessor process
> information: Processing a 'POST' for path '/logon'
>
>
> public ActionErrors validate( ...)
> {
> System.out.println(book);
> if (book=="java"){
> System.out.println(book);
> throw new UnsupportedOperationException("Easy Struts : not
> ....");
> }
> else
> return null;
> }
>
>
>
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