See this simple runnable example
import java.awt.BorderLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.SwingUtilities;
import javax.swing.border.EmptyBorder;
public class MyPanel extends JPanel {
JButton button = new JButton("Button");
JTabbedPane tabPane = new JTabbedPane();
public MyPanel(){
JPanel panel1 = new JPanel();
JPanel panel2 = new JPanel();
tabPane.add("Panel 1", panel1);
tabPane.add("Panel 2", panel2);
tabPane.setBorder(new EmptyBorder(10, 10, 10, 10));
setLayout(new BorderLayout());
add(tabPane, BorderLayout.CENTER);
add(button, BorderLayout.SOUTH);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
JFrame frame = new JFrame();
frame.add(new MyPanel());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLocationByPlatform(true);
frame.setSize(300, 300);
frame.setVisible(true);
}
});
}
}