📄 takeassmcmd[1].html
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<head>
<link rel=stylesheet href="/css/cteform.css" type="text/css">
<title>Take Assessment: Exercise 1 © 2002-2007 iCarnegie, Inc. - UI Version 3.19</title>
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<script language="JavaScript" src="/js/ctecoursespt.js"></script>
<script language="JavaScript" src="/js/cteajax.js"></script>
<script language="JavaScript">
function FetchReferencedContent(questionName, referencedName)
{
var cmd =
"https://www.icarnegie.com:443/fetchrefcontentcmd.php?id=12959222" + "&question_name=" + encodeURIComponent(questionName)
+ "&name=" + encodeURIComponent(referencedName);
var winName = questionName + referencedName.replace(/\./g, "_");
window.open(cmd,
winName.replace(/-/g, "_"),
"height=600,width=700,toolbar=no,menubar=no,location=no,status=no,resizable,scrollbars").focus();
}
function ResetTarget()
{
var f = document.forms["Assm"];
f.target = "";
}
function SetUploadTime(targetCmd, questionId, enableReadyForGrading)
{
var f = document.forms["Assm"];
f.action = targetCmd;
var elt = f.elements["client_time"];
if (typeof(elt) != 'undefined') {
var now = new Date();
elt.value = CreateSortableDate(now.getUTCFullYear(),
now.getUTCMonth() + 1,
now.getUTCDate(),
now.getUTCHours(),
now.getUTCMinutes(),
now.getUTCSeconds());
}
if (f.elements["file_to_add_" + questionId].value == '') {
alert('Please specify a file to upload.');
return false;
}
if (enableReadyForGrading) {
elt = f.elements["ready_for_grading"];
if (typeof(elt) != 'undefined') {
elt.disabled = false;
}
var now = new Date();
f.target = now.getUTCFullYear()
+ '_' + (now.getUTCMonth() + 1)
+ '_' + now.getUTCDate()
+ '_' + now.getUTCHours()
+ '_' + now.getUTCMinutes()
+ '_' + now.getUTCSeconds();
var w =
window.open("",
f.target,
"height=300,width=500,toolbar=no,menubar=no,scrollbars=no,resizable=yes");
w.focus();
}
else {
f.target = "";
}
return true;
}
</script></head><body onload="">
<span class=dialogueheader>Take Assessment: Exercise 1</span><br><br>
<form name="Assm" id="Assm" method=POST action="https://www.icarnegie.com:443/submitassmcmd.php" enctype="multipart/form-data">
<td width=5><br></td><a name="top_of_page"></a><table><tr>
<input type=hidden name="object_id" id="object_id" value='13001876' ></tr></table>
<table><tr>
<td width=5><br></td> <td class=td0_instructions align=left valign=top >
<span class=instructions >Please answer the following question(s).<br />
If the assessment includes multiple-choice questions, click the "Submit Answers" button when you have completed those questions.</span></td>
<input type=hidden name="MAX_FILE_SIZE" id="MAX_FILE_SIZE" value='512000' ><td width=5><br></td></tr></table>
<a name="top_9709617"></a><table><tr>
<td width=5><br></td> <td class=td0_highlight-label width=12 align=right valign=top nowrap >
<span class=highlight-label >1.</span></td>
<td width=5><br></td> <td valign=top class=td0_x align=left > <a href="#9709617">Go to bottom of question.</a> </td>
</tr></table>
<table><tr>
<td width=5><br></td> <td valign=top class=td0_x align=left > <!-- new pg 042903 ici -->
<h2 align="center"><cite>Shopping Cart Application</cite></h2>
<h3>Prerequisites, Goals, and Outcomes</h3>
<blockquote> <b><i>Prerequisites:</i></b> Before you begin this exercise, you
need mastery of the following:
<ul>
<li> <em>Java Language</em>
<ul>
<li>Knowledge of Java control structures</li>
</ul>
<li><i>Java API</i>
<ul>
<li>Knowledge of package <code>java.io</code>
<ul>
<li>How to get input from the keyboard</li>
<li>How to output results, prompts, and errors</li>
</ul>
</li>
<li>Knowledge of wrapper class <code>Integer</code>: how to read an integer
value as input</li>
<li>Knowledge of class <code>StringTokenizer</code>: how to parse a line
with multiple values</li>
</ul>
<li> <i>Exception Objects</i>
<ul>
<li>Knowledge of exception handling</li>
<li>Knowledge of <code>NumberFormatException</code></li>
</ul>
<li><i>Programming Practice</i>
<ul>
<li>How to produce Java applications</li>
<li>Knowledge of Sun's code conventions</li>
</ul>
<ul>
<li>Knowledge of Javadoc: how to document classes, methods, and variables</li>
</ul>
</ul>
<p> <b><i>Goals:</i></b> Reinforce your ability to use I/O classes, tokenizers,
wrapper classes, and exceptions
<p> <b><i></i></b><b><i>Outcomes:</i></b> You will demonstrate mastery in the
following:
<ul>
<li> Produce an application that reads input from the keyboard and uses:
<ul>
<li>Wrapper classes to read numerical data</li>
<li><code>StringTokenizer</code> to parse a line with multiple values</li>
<li> Exceptions to handle malformed data</li>
<li>Control structures to control the reading of data</li>
</ul>
</ul>
</blockquote>
<h3>Background </h3>
<p>This assignment asks you to complete an application that adds products to an
electronic shopping cart. The application uses three classes: <code>Product</code>,
<code>ShoppingCart</code>, and <code>ShoppingCartApplication</code>. Part of
the work has been done for you and is provided in the student archive. You will
implement the method in <code>ShoppingCartApplication</code> that reads product
information from the keyboard and creates a <code>Product</code> object.</p>
<h3>Description</h3>
<p> The application presents the user with a menu of options and prompts the user
for a choice:</p>
<ul>
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