<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
    <head>  
        <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
        <link href="resources/web/styles.css" rel="stylesheet" type="text/css">
        <link href="styles.css" rel="stylesheet" type="text/css">
                
        <title>Writing Classes That Interact</title>                   
    </head> 
    
    <body>
        <div class="page_header">