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From: byhesed <byhesed@gmail.com>
Newsgroups: comp.lang.java.programmer
Subject: Re: Is JavaBeans able to store an array?
Date: Thu, 26 May 2011 22:11:27 -0700 (PDT)
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On 5=EC=9B=9425=EC=9D=BC, =EC=98=A4=ED=9B=8410=EC=8B=9C15=EB=B6=84, Lew <no=
...@lewscanon.com> wrote:
> On 05/24/2011 09:15 PM, byhesed wrote:
>
>
>
>
>
>
>
>
>
> > Can I handle array values using JavaBeans?
> > I could'n find the way to pass an array to JavaBeans.
>
> > Below is my situation.
>
> > There are four checkboxes.
> > I want to handle those values in JavaBeans.
>
> > -----------------------------------------------------------------------=
---- -------------------------
> > 1. TestBeanForm.jsp
> > -----------------------------------------------------------------------=
---- -------------------------
> > <form action=3D"TestBean.jsp" method=3D"post">
> > =C2=A0 =C2=A0 =C2=A0<input type=3D"checkbox" name=3D"books"> =C2=A0Java=
 for Student<br>
> > =C2=A0 =C2=A0 =C2=A0<input type=3D"checkbox" name=3D"books"> =C2=A0Comp=
iler Construction<br>
> > =C2=A0 =C2=A0 =C2=A0<input type=3D"checkbox" name=3D"books"> =C2=A0Soft=
ware Engineering<br>
> > =C2=A0 =C2=A0 =C2=A0<input type=3D"checkbox" name=3D"books"> =C2=A0Core=
 Servlet and JSP<br>
> > =C2=A0 =C2=A0 =C2=A0<p>
> > =C2=A0 =C2=A0 =C2=A0<input type=3D"submit" value=3D"Submit">
> > </form>
> > -----------------------------------------------------------------------=
---- -------------------------
>
> > Here, I use JavaBeans.
> > -----------------------------------------------------------------------=
---- -------------------------
> > 2. TestBean.jsp
> > -----------------------------------------------------------------------=
---- -------------------------
> > <%@page import=3D"test.TestBean"%>
>
> > <jsp:useBean id=3D"testBean" class=3D"test.TestBean">
> > =C2=A0 =C2=A0<jsp:setProperty name=3D"testBean" property=3D"*"/>
> > </jsp:useBean>
> > <jsp:getProperty name=3D"testBean" property=3D"books"/>
> > -----------------------------------------------------------------------=
---- -------------------------
>
> > When dealing with thoes values using JavaBeans,
> > Only the first books element is passed to JavaBeans.
> > Here is my javaBean [sic].
>
> > -----------------------------------------------------------------------=
---- -------------------------
> > 3. TestBean.java
> > -----------------------------------------------------------------------=
---- -------------------------
> > package test;
>
> > public class TestBean {
> > =C2=A0 =C2=A0private String books;
>
> > =C2=A0 =C2=A0public void setBooks(String books) { this.books =3D books;=
 }
> > =C2=A0 =C2=A0public String getBooks() { return books; }
> > }
> > -----------------------------------------------------------------------=
---- -------------------------
>
> Where's the array in your bean?
>
> --
> Lew
> Honi soit qui mal y pense.http://upload.wikimedia.org/wikipedia/commons/c=
/cf/Friz.jpg

I got rid of the code about array.
Original code is here.

---------------------------------------------------------------------------
-------------------------
3. TestBean.java
---------------------------------------------------------------------------
-------------------------
   package test;

   public class TestBean {
=C2=A0=C2=A0 private String[] books;
  =C2=A0public void setBooks(String[] books) { this.books =3D books; }
=C2=A0 =C2=A0public String[] getBooks() { return books; }
}
---------------------------------------------------------------------------
-------------------------

However, when I pass multiple check box values,
A browser only can receive just first one value in checkboxes.
Do you know how to handle array values in JavaBean?