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What is bean?

  • From: kevinj@xxxxxxxxxxx (Kevin Jones)
  • Subject: What is bean?
  • Date: Thu, 30 Nov 2000 12:04:12 -0000
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RE: What is bean?A bean is any class that has a default constructor and is
serializable. Anything beyond that is optional,

Kevin Jones
DevelopMentor
www.develop.com

  -----Original Message-----
  From: Tim O'Neil [mailto:Tim.O'Neil@xxxxxxxxxxx]
  Sent: 30 November 2000 00:29
  To: advanced-java@xxxxxxxxxxxxxxxx
  Subject: RE: What is bean?


  Beans share two things in common that classes
  do not ordinarily have to have: They all implement serializable,
  and they all have methods that can set and retrieve properties.
  Those two factors are the minimum requirements for a bean.
  You're right, it ain't much. But beans turn out to be powerful
  little buggers. Read more about them.

  George asked;
  > Sorry for basic questions, but I just do not see any
  > differences between
  > regular class and bean?
  > Just by looking at the class haw do you know it is bean?



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<HTML><HEAD><TITLE>RE: What is bean?</TITLE>
<META content=3D"text/html; charset=3Diso-8859-1" =
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<META content=3D"MSHTML 5.00.2920.0" name=3DGENERATOR></HEAD>
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<DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN =
class=3D953565711-30112000>A bean=20
is any class that has a default constructor and is serializable. =
Anything beyond=20
that is optional,</SPAN></FONT></DIV>
<DIV>&nbsp;</DIV>
<P><FONT size=3D2>Kevin Jones<BR>DevelopMentor<BR>www.develop.com</FONT> =
</P>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: =
0px; PADDING-LEFT: 5px">
  <DIV align=3Dleft class=3DOutlookMessageHeader dir=3Dltr><FONT =
face=3DTahoma=20
  size=3D2>-----Original Message-----<BR><B>From:</B> Tim O'Neil=20
  [mailto:Tim.O'Neil@xxxxxxxxxxx]<BR><B>Sent:</B> 30 November 2000=20
  00:29<BR><B>To:</B> advanced-java@xxxxxxxxxxxxxxxx<BR><B>Subject:</B> =
RE: What=20
  is bean?<BR><BR></DIV></FONT>
  <P><FONT size=3D2>Beans share two things in common that classes</FONT> =
<BR><FONT=20
  size=3D2>do not ordinarily have to have: They all implement =
serializable,</FONT>=20
  <BR><FONT size=3D2>and they all have methods that can set and retrieve =

  properties.</FONT> <BR><FONT size=3D2>Those two factors are the =
minimum=20
  requirements for a bean.</FONT> <BR><FONT size=3D2>You're right, it =
ain't much.=20
  But beans turn out to be powerful</FONT> <BR><FONT size=3D2>little =
buggers. Read=20
  more about them.</FONT> </P>
  <P><FONT size=3D2>George asked;</FONT> <BR><FONT size=3D2>&gt; Sorry =
for basic=20
  questions, but I just do not see any </FONT><BR><FONT size=3D2>&gt; =
differences=20
  between</FONT> <BR><FONT size=3D2>&gt; regular class and bean?</FONT> =
<BR><FONT=20
  size=3D2>&gt; Just by looking at the class haw do you know it is bean? =

  </FONT><BR><FONT size=3D2>&nbsp;</FONT> =
</P></BLOCKQUOTE></BODY></HTML>

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