JFrame

[R3.RyozKidz]

i want to ask about when i have added all the components i needed , then i will add into the JFrame ...~ i want to use getContentPane or setContentPane ...?

[SterAllures]

Not really sure what you mean but I think.

Create a container

like this:

Container c = getContentPane(); 

than add things like this:

c.add(); 

and You've already called the JFrame at your class name.

public class MyFrame extends JFrame { 

[R3.RyozKidz]

this is what i normally do

public class XXX extends JPanel
{
    ....
    JFrame frame = new JFrame();
    super(new layout());
    JButton jjj = new JButton();
    
    this.add(jjj); // adding JComponent into the light weight container JPanel
    frame.setContentPane(this);
    
    ...
}

Is it the same if i invoke the method of JFrame class setContentPane?

[R3.RyozKidz]

Or can i do it like this ?

public class XXX extends JFrame
{
    ...
    JPanel panel = new JPanel(new Layout());
    super();
    Container c = new Container();
    
    //adding JComponent into the panel
    panel.add(JComponent);
    
    c = getContentPane();
    c.add(panel);
    
    ...
}

[GMVResources]

I think it is get.ContentPane