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java.awt BorderLayout and FlowLayout

 
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why doesn't this show the center button occuping the whole window???

Thanks!!!
 
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I think BorderLayout is the only LayoutManager that doesn't know how to reorder previously added components.
Also after executing it, I don't see any button.
 
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Hi Amish,
The example points out the difference between LayoutManager and LayoutManager2 interfaces. All objects that implement LayoutManager2 require constraints to perform the actual layout. No constraints = no layout = no visible objects!
The following layouts implement LayoutManager2:
CardLayout, GridBagLayout, BorderLayout, and BoxLayout
This is also another reason why the layout should be set first and then components inserted into it. Then the problem will not be an issue at all!
Regards,
Manfred.
 
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Hi Manfred
Thanks a lot that clears the difference.
Amish
 
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