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JPAnel need clean sweaping

Nov 19th, 2008

In the JFrame I have two components JMenuBar and JPanel. A selection in one of the options in menu bar change the content of panel as

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JMenuItem jmiAddEmployee = new JMenuItem("Add Employee");
jmiAddEmployee.addActionListener(new ActionListener()
{
    public void actionPerformed(ActionEvent ae)
    {
        mainPanel.removeAll();
        mainPanel.add(addEP);
        validate();
    }
});
JMenuItem jmiAddEmployee = new JMenuItem("Add Employee");
jmiAddEmployee.addActionListener(new ActionListener()
{
    public void actionPerformed(ActionEvent ae)
    {
        mainPanel.removeAll();
        mainPanel.add(addEP);
        validate();
    }
});

This will replace the content, unfortunately if the previous components in the old one been longer then the new ones I will get new components with bits of old where the content is shorter. Is there any solution to this problem or do I need to swap my JMenuBar+JPanel for JTabbedPane?

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