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Java Description

Posted on 2007-12-07
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Last Modified: 2010-03-30
Can anyone explain below line of code
and
What is here 2,3,4,5 means ?
=============================
BPanel.setLayout( new GridLayout( 2, 3, 4, 5  ) );

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Question by:gauravflame
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14 Comments
 

Author Comment

by:gauravflame
ID: 20426688
Rephrasing it is look like

contentpane.add( BPanel , BorderLayout.CENTER ) ;  // put on the content pane
BPanel.setLayout( new GridLayout( 5, 3, 5, 5  ) );
   
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LVL 86

Assisted Solution

by:CEHJ
CEHJ earned 600 total points
ID: 20426692
2 rows, 3 cols, 4 x pixels space, 5 y pixels space
0
 
LVL 92

Assisted Solution

by:objects
objects earned 600 total points
ID: 20426695
2 row x 3 column grid
with 4 pixel gap between cells horizontally
and 5 pixel gap between cells verically

http://java.sun.com/javase/6/docs/api/java/awt/GridLayout.html#GridLayout(int,%20int,%20int,%20int)
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LVL 92

Expert Comment

by:objects
ID: 20426698
> BPanel.setLayout( new GridLayout( 5, 3, 5, 5  ) );

Thats setting the layout of BPanel to be a 5 x 3 grid
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LVL 92

Expert Comment

by:objects
ID: 20426701
And 5 pixel gap between cells
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LVL 86

Expert Comment

by:CEHJ
ID: 20426702
(Make the necessary adjustments since yours ;-))
0
 
LVL 26

Expert Comment

by:ksivananth
ID: 20426723
2 number of rows, 3 number of columns, 4 horizontal gap between cells, 5 vertical gap between cells
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Author Comment

by:gauravflame
ID: 20426754
Why to use GridLayout ? Buttons are arranged for BPanel from BorderLayout
BPanel.setLayout( new GridLayout( 5, 3, 5, 5  ) );

Observation ::
If I comment out Gridlayout  line of code everything on contentpane become scatter
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LVL 92

Expert Comment

by:objects
ID: 20426770
no, content pane uses a border layout.
BPanel by default would use a flow layout
0
 

Author Comment

by:gauravflame
ID: 20426798
I think by Default layout manager is Border Layout in Java swing

My Question If  BPanel setting itself to Border layout why it is need to set on Grid Layout.
or It is to deal with good interface

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LVL 26

Accepted Solution

by:
ksivananth earned 800 total points
ID: 20426816
>>I think by Default layout manager is Border Layout in Java swing

 it depends the container. For e.g., JFrame and JDialog uses BorderLayout and JPanel uses FlowLayout.

>>If  BPanel setting itself to Border layout why it is need to set on Grid Layout.

If BPanel is a JPanel, it will use the FlowLayout which lays the component row and wrapps if the size doesn't fit and you won't have control. grid gives you some control to render the component int tabuler format!

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LVL 86

Expert Comment

by:CEHJ
ID: 20426830
>>
My Question If  BPanel setting itself to Border layout why it is need to set on Grid Layout.
or It is to deal with good interface
>>

Because a BorderLayout wouldn't lay out the buttons in a neat grid
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Author Comment

by:gauravflame
ID: 20426837
Thanks all clear :)


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LVL 86

Expert Comment

by:CEHJ
ID: 20426886
:-)
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