I need to add a border around the Size label and the small, medium and large buttons so I thought I would add them into their own Panel and then add that panel to the mainPanel but when I do that they do not show up.

What am I doing wrong? :-/ Thanks guys!

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import javax.swing.*;
import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;
import java.awt.Dimension;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Font;


//Sarabeth Jaffe, Pizzaria Gui
public class Pizza extends JFrame implements ActionListener{

	private BufferedImage image;
	private int w,h;
	private JRadioButton small;
	private JRadioButton med;
	private JRadioButton large;
	private JCheckBox pep;
	private JCheckBox anch;
	private Calculations c;
	private JLabel tot;
	
	public Pizza(){

		c=new Calculations();
		setTitle("Pizzaria");
		setSize(495,290);
		setLayout(null);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		JLabel sizes=new JLabel("Sizes");
		sizes.setBounds(30, 30, 90, 40);
		sizes.setFont(new Font("Arial", Font.PLAIN, 20));
		sizes.setForeground(Color.RED);

		small=new JRadioButton("Small", true);
		small.setForeground(Color.YELLOW);
		small.setBounds(30, 70, 90, 40);
		med=new JRadioButton("Medium");
		med.setForeground(Color.YELLOW);
		med.setBounds(30, 110, 90, 40);
		large=new JRadioButton("Large");
		large.setForeground(Color.YELLOW);
		large.setBounds(30, 150, 90, 40);

		pep=new JCheckBox("Pepperoni");
		pep.setForeground(Color.YELLOW);
		pep.setBounds(360, 70, 100, 40);
		anch=new JCheckBox("Anchovies");
		anch.setForeground(Color.YELLOW);
		anch.setBounds(360, 110, 100, 40);

		tot=new JLabel("Total: ");
		tot.setBounds(150, 150, 200, 90);
		tot.setForeground(Color.YELLOW);
		tot.setFont(new Font("Arial", Font.PLAIN, 34));
		Panel mainPanel = new Panel("perfect.jpg");
		mainPanel.setLayout(null);

		pep.addActionListener(this);
		anch.addActionListener(this);

		ButtonGroup bg = new ButtonGroup();
		bg.add(small); bg.add(med); bg.add(large); 

		sizes.setOpaque(true);
		small.setOpaque(true);
		med.setOpaque(true);
		large.setOpaque(true);
		pep.setOpaque(true);
		anch.setOpaque(true);

		sizes.setBackground(new Color(0,0,0,64));
		small.setBackground(new Color(0,0,0,64));
		med.setBackground(new Color(0,0,0,64));
		large.setBackground(new Color(0,0,0,64));
		pep.setBackground(new Color(0,0,0,64));
		anch.setBackground(new Color(0,0,0,64));

		JPanel p=new JPanel();
		p.setLayout(new FlowLayout());
		
		add(sizes);
		add(small);
		add(med);
		add(large);
		
		p.setBorder(BorderFactory.createEtchedBorder());
		
		add(pep);
		add(anch);
		add(tot);
		add(p);
		add(mainPanel);

		setVisible(true);
		p.setVisible(true);
	}

	class Panel extends JPanel{

		public Panel(String fname){
			this.setSize(560,300);

			try {
				image = ImageIO.read(new File(fname));
				w = image.getWidth();
				h = image.getHeight();

			} catch (IOException ioe) {
				System.out.println("Could not read in the pic");
				System.exit(0);
			}

		}

		public Dimension getPreferredSize() {
			return new Dimension(w,h);
		}

		public void paintComponent(Graphics g){
			super.paintComponent(g);
			g.drawImage(image,0,0,this);
		}
	}

	public void actionPerformed(ActionEvent ae){

		if(ae.getActionCommand().equals("Pepperoni")){

			if(small.isSelected()){
				tot.setText(c.pep('s'));
			}

			else if(med.isSelected()){
				tot.setText(c.pep('m'));
			}

			else{
				tot.setText(c.pep('l'));
			}

		}
		
		else if(ae.getActionCommand().equals("Anchovies")){

			if(small.isSelected()){
				tot.setText(c.anch('s'));
			}

			else if(med.isSelected()){
				tot.setText(c.anch('m'));
			}

			else{
				tot.setText(c.anch('l'));
			}

		}
	}

	public static void main(String[] args){

		Pizza c = new Pizza();
	}
}

my view, very very bad,

is posible to put Image directly to JPanel, withOut method paintComponent (this Method works for JPanel, for Panel is correct paint )

please search for JPanel instead of Panel

sizes.setBorder(new LineBorder(Color.black, 1));

you have to start with http://download.oracle.com/javase/tutorial/uiswing/

and be sure that you'll read http://download.oracle.com/javase/tutorial/uiswing/layout/index.html

lots of examples for that on http://www.java2s.com/

if you'll a real question feel free to send it here

You set your frame layout to null, but never set the location of your panel. The following will make them show up within the panel (though it's not a layout you're going to want to keep once you see it)

JPanel p=new JPanel();
p.setLayout(new FlowLayout());
p.setBounds(20,20,100,130);
p.add(sizes);
p.add(small);
p.add(med);
p.add(large);

I'd recommend going though some of the layout tutorial linked above. Absolute positioning with null layout is usually not the best way to approach a design.

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