[ladymoe]

package Inventory8;

import java.awt.event.*;
import java.awt.Window;
import javax.swing.*;
import javax.swing.JPanel;


//Stores information and retrieves information
public class DVD_Application extends JFrame {
    
	public JTextArea txt;
	public Inventory inv;
	public int currentDisplay = 0;
    	
	public DVD_Application() {
		super("DVD Inventory Program");
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // quit if the window is closed
		init();
	}
}
    /**
     *
     * @throws java.lang.UnsupportedOperationException
     */

    public void ContentPanel() throws UnsupportedOperationException {
        throw new UnsupportedOperationException("Not yet implemented");
    }
	
	public void init() {
		//create product information
		dvdExt p1 = new dvdExt(1, "Some Like It Hot", 10, 8.00, "Classics");
		dvdExt p2 = new dvdExt(2, "Liar, Liar", 5, 15.00, "Comedy");
		dvdExt p3 = new dvdExt(3, "300", 7, 17.00, "Action");
        dvdExt p4 = new dvdExt(4, "Rambo", 5, 10.00, "Action");
    }
    
		// create inventory and iput information
		inv = new Inventory();
		inv.add(p1);
		inv.add(p2);
		inv.add(p3);
        inv.add(p4);
		
		inv.sort();

//		output the information

		for (int k = 0; k < inv.size(); k++) {
			System.out.println("DVD Item number: " + inv.get(k).getItem());
			System.out.println("DVD Title: " + inv.get(k).getName());
			System.out.println("DVD Quantity in stock: " + inv.get(k).getUnits());
			System.out.println("DVD Price: $" + String.format("%.2f",inv.get(k).getPrice()));
			System.out.println("DVD Total Inventory Value: $" + String.format("%.2f",inv.get(k).value()));
			System.out.println("Restocking Fee: $" + String.format("%.2f",inv.get(k).fee()));
			System.out.println();
		}

		//total val
		System.out.println("Total value: $" + String.format("%.2f",inv.value()));
		
		//graphical interface
		final JPanel panel = new JPanel();
		txt = new JTextArea(25,40); //size of window
		txt.setEditable(false);//user unable to edit
		panel.add(txt);
				
        final JPanel anotherbuttonpanel = new JPanel();
		anotherbuttonpanel.setLayout(new BoxLayout(anotherbuttonpanel,BoxLayout.Y_AXIS));

        final JPanel buttonpanel = new JPanel();
		buttonpanel.setLayout(new BoxLayout(buttonpanel,BoxLayout.Y_AXIS));
		

		final JButton previous = new JButton("Previous");
		previous.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				if (currentDisplay > 0) currentDisplay--;//method to go to previous
				else currentDisplay = inv.size()-1;
				displayDVD();

        
		
		JButton first = new JButton("First");
		first.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				currentDisplay = 0;//method to go to beginning
				displayDVD();	}
		});
		buttonpanel.add(previous);
		JButton next = new JButton("Next");
		next.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				if (currentDisplay < inv.size()-1) currentDisplay++; //method to go to end
				else currentDisplay = 0;
				displayDVD();
			}
		});
		buttonpanel.add(next);
		JButton last = new JButton("Last");
		last.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				currentDisplay = inv.size()-1;//method to go to next item
				displayDVD();
			}
		});
		buttonpanel.add(last);
		
		
		
		

				// make the object
				dvdExt dvd = new dvdExt(inv.highestNumber()+1, name, units, price, Genre);

				// add object to inv
                inv.addNewExtendedDVD(dvd);
				
				currentDisplay = inv.size()-1;
				displayDVD();
			}
		});
		
		
		buttonpanel.add(new Logo());
		
		panel.add(buttonpanel);
		panel.add(anotherbuttonpanel);
		
	
		
		displayDVD();
	}
	
	// display
	public void displayDVD() {
		txt.setText("DVD Details:\n");
		txt.append("DVD Item number: " + inv.get(currentDisplay).getItem() + "\n");
		txt.append("DVD Title: " + inv.get(currentDisplay).getName() + "\n");
		txt.append("DVD Quantity in Stock: " + inv.get(currentDisplay).getUnits() + "\n");
		txt.append("DVD Price: $" + String.format("%.2f",inv.get(currentDisplay).getPrice()) + "\n");
		txt.append("DVD Total value: $" + String.format("%.2f",inv.get(currentDisplay).value()) + "\n");
		txt.append("Restocking Fee: $" + String.format("%.2f",inv.get(currentDisplay).fee()) + "\n");
	
		txt.append("Total value: $" + String.format("%.2f",inv.value()));

	}
	
    /**
     *
     * @return
     */
    public Object getContentPanel() {
            return this.getContentPanel();

		public DVD_Application gui = new DVD_Application();
		gui.pack();
		gui.setVisible(true);

    
    }
	
  
//

I have this final file that is saying I don't have a main method. I have been working all night on my exchange server. I know I can't see the forest for the trees. I am exhausted. When I put the public void string args in I get the "class, interface or enumerator exptected.