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problem add panel to other panel

 
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Hello everyone


I have a big problem I have a window that extends Jframe fenetere
contains two panels panel1 contains 2 buttons and panel2 is empty and I have two other panel extends JPanel panel3 panel4 and I like when I click button 1 i want to add 3 to the panel panel2 empty and when I click the button2 I want to add a panel4 panel2 and disappear the panel3 knowing that I work on netbeans:

button 1:



button 2:



but I do not know where is the problem.

Thank you for the help.
 
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You need to call revalidate() and repaint() on the parent when you add/remove a child.
If your intention is to display only one panel at one time, but switch panels, the check out CardLayout
 
Nouf Nassri
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Thank you for your reply I did that

but whenever I click a button I see another side of panel panel2
 
Maneesh Godbole
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revalidate() and repaint() should be called after you add the panel3
 
Nouf Nassri
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Maneesh Godbole wrote:revalidate() and repaint() should be called after you add the panel3



Thank you very much got the same problem

 
Maneesh Godbole
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Post your SSCCE which we can try out in our environment.
With the code you have posted, it is difficult to figure out what is going wrong.
 
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