ButtonContainerPanel.java

import java.awt.BorderLayout;
import java.awt.Dimension;

import javax.swing.JPanel;

public class ButtonContainerPanel {
	private static ButtonContainerPanel panel;
	
 private JPanel containerPanel;

 //singleton so only one container can exist 
 public static ButtonContainerPanel panel() {
 	if (panel == null) {
 		panel = new ButtonContainerPanel();
 	}
 	
 	return panel;
 }
 

 public ButtonContainerPanel() {
 	
 }
 
 //initialize 
 public void initialize() {
 this.containerPanel = new JPanel();

 formatPanel();
 }
 
 //format the panel 
 public void formatPanel() {
 containerPanel.setLayout(new BorderLayout());
 containerPanel.setPreferredSize(new Dimension(300, 400));
 
 containerPanel.add(UserButtonsPanel.panel().render(), BorderLayout.NORTH);
 containerPanel.add(AnalysisButtonPanel.panel().render(), BorderLayout.SOUTH);

 }
 
 //render the panel 
 public JPanel render() {
 	initialize();
 	return this.containerPanel;
 }
}