Simple LinkedList java prog

AList.java

import java.awt.*;

public class AList
	{
	private Node head;

	public AList()
	{
		head = new Node ("<fake>", -99, null);
	}

		public void add(String n, int s)
			{
				head.addInOrder(n, s);
			}

		public void remove(String s)
			{
				head.remove(s);
			}

		public void paint(Graphics g)
			{
				g.setFont(new Font("Serif", Font.BOLD, 14));
				head.paint(g, 20, 25);
			}

		public int getHowMany()
			{
				return head.getHowMany();
			}

		public int greatestAge()
			{
				return head.greatestAge();
			}

		public double getAverage()
			{
				return (head.getTotal()/head.getHowMany());
			}
	}

ListCanvas.java

import java.awt.*;

public class ListCanvas extends Canvas
{
		private AList list;

		public ListCanvas(AList al)
			{
				list = al;
			}

		public void paint(Graphics g)
			{
				list.paint(g);
			}
	}

MyPanel.java

import java.awt.*;
import java.awt.event.*;

public class MyPanel extends Panel implements ActionListener
	{
		private AList list;
		private ListCanvas canvas;
		private StatsCanvas sCanvas;
		private TextField nameField, ageField;
		private Label nameLabel, ageLabel;
		private Button addButton, removeButton;

		public MyPanel()
			{
				list = new AList();

				setLayout(null);
				setBackground(new Color(200, 225, 255));

				canvas = new ListCanvas(list);
				canvas.setSize(200, 280);
				canvas.setLocation(10, 10);
				canvas.setBackground(Color.white);
				add(canvas);

				sCanvas = new StatsCanvas(list);
				sCanvas.setSize(125, 125);
				sCanvas.setLocation(250, 165);
				sCanvas.setBackground(Color.white);
				add(sCanvas);

				nameField = new TextField();
				nameField.setSize(80,20);
				nameField.setLocation(310, 20);
				nameField.setBackground(Color.white);
				add(nameField);

				nameLabel = new Label("Name: ");
				nameLabel.setSize(80, 20);
				nameLabel.setLocation(215, 20);
				nameLabel.setAlignment(Label.RIGHT);
				add(nameLabel);

				ageField = new TextField();
				ageField.setSize(80,20);
				ageField.setLocation(310, 50);
				ageField.setBackground(Color.white);
				add(ageField);

				ageLabel = new Label ("Age: ");
				ageLabel.setSize(80,20);
				ageLabel.setLocation(215, 50);
				ageLabel.setAlignment(Label.RIGHT);
				add(ageLabel);

				addButton = new Button("Add: ");
				addButton.setSize(125,20);
				addButton.setLocation(250, 100);
				add(addButton);

				removeButton = new Button("Remove: ");
				removeButton.setSize(125,20);
				removeButton.setLocation(250, 130);
				add(removeButton);

				addButton.addActionListener(this);
				removeButton.addActionListener(this);
				ageField.addActionListener(this);
		}

		public void actionPerformed(ActionEvent e)
			{
				Object source = e.getSource();
				if (source == addButton || source == ageField)
					{
							list.add(nameField.getText(), convert(ageField.getText()));
					}
				else if (source == removeButton)
					{
							list.remove(nameField.getText());
					}
				canvas.repaint();
				sCanvas.repaint();

			}

		public int convert(String s)
			{
				s = s.trim();
				try
					{
						return (new Integer(s)).intValue();
					}
				catch (NumberFormatException e)
					{
						return -9876;
					}
			}
	}

Node.java

import java.awt.*;

public class Node
	{
		private int age;
		public static int count;

		private Node link;
		private String name;
		private double total;

		public Node (String a, int s, Node n)
			{
				age = s;
				link = n;
				name = a;
				count = 0;
				total = 0;
			}

		public void paint(Graphics g,int x, int y)
			{
				if (!name.equals("<fake>"))
					{
						g.drawString(name, x, y);
						BL.drawStringLeft(g, age + "", x+80, y);
					}
				if (link != null)
					{
						link.paint(g, x, y+20);
					}

			}

		public void addInOrder (String n, int s)
			{
				if (link == null || n.toUpperCase().compareTo(link.name.toUpperCase())<0) //create new node
					{
						link = new Node (n, s, link);
					}
				else
					link.addInOrder(n, s);
			}

		public void add(String s, int a)
			{
		  	if(link!=null)
		  		{
		    	  link.add(s,a);
		      }
		    else
		    	{
		    	  link = new Node(s,a,null);
		      }
			}

		public void remove (String s)
			{
				if (link == null)
					return;
				if (s.equalsIgnoreCase(link.name))
					link = link.link;
				else
					link.remove(s);
			}


		public int getHowMany()
			{
				int howMany = 1;
				if (age < 0)
					howMany = 0;
				if (link != null)
					howMany += link.getHowMany();
				return howMany;
			}

		public int greatestAge()
			{
				count++;
				if (link == null)
					return age;
				int after = link.greatestAge();
				if (age > after)
					return age;
				return after;
			}

		public double getTotal()
			{
					total = age;
					if (link == null)
						total = age + 99;
					else
						total += link.getTotal();
					return total;
			}

		public String toString()
			{
				String s= age + "";
				if (link != null)
					{
						s += " " + link.toString();

					}
				return s;
			}
	}

PanelApplet.java

import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;

public class PanelApplet extends Applet
{
	Panel panel;

	public void init()
	{
		setLayout(null);
		panel = new MyPanel();
		add(panel);
		panel.setSize(getSize().width, getSize().height);
		panel.setLocation(0,0);
		panel.setVisible(true);
		panel.requestFocus();
		if (panel instanceof KeyListener)
			addKeyListener((KeyListener)panel);
	}
}

StatsCanvas.java

import java.awt.*;

public class StatsCanvas extends Canvas
{
		private AList list;

		public StatsCanvas(AList al)
			{
				list = al;
			}

		public void paint(Graphics g)
			{
				int count = list.getHowMany();
				g.drawString("count: " + count, 20, 20);
				int greatest = list.greatestAge();
				double average = list.getAverage();
				if (greatest != -99)
					{
						g.drawString("Greatest Age: " + greatest, 20, 50);
						g.drawString("Average Age: " + average, 20, 75);
					}

			}
}