Mega Code Archive
JSP 2 0 Expression Language - Basic Comparisons
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<html>
<head>
<title>JSP 2.0 Expression Language - Basic Comparisons</title>
</head>
<body>
<h1>JSP 2.0 Expression Language - Basic Comparisons</h1>
<hr>
This example illustrates basic Expression Language comparisons.
The following comparison operators are supported:
<ul>
<li>Less-than (< or lt)</li>
<li>Greater-than (> or gt)</li>
<li>Less-than-or-equal (<= or le)</li>
<li>Greater-than-or-equal (>= or ge)</li>
<li>Equal (== or eq)</li>
<li>Not Equal (!= or ne)</li>
</ul>
<blockquote>
<u><b>Numeric</b></u>
<code>
<table border="1">
<thead>
<td><b>EL Expression</b></td>
<td><b>Result</b></td>
</thead>
<tr>
<td>\${1 < 2}</td>
<td>${1 < 2}</td>
</tr>
<tr>
<td>\${1 lt 2}</td>
<td>${1 lt 2}</td>
</tr>
<tr>
<td>\${1 > (4/2)}</td>
<td>${1 > (4/2)}</td>
</tr>
<tr>
<td>\${1 > (4/2)}</td>
<td>${1 > (4/2)}</td>
</tr>
<tr>
<td>\${4.0 >= 3}</td>
<td>${4.0 >= 3}</td>
</tr>
<tr>
<td>\${4.0 ge 3}</td>
<td>${4.0 ge 3}</td>
</tr>
<tr>
<td>\${4 <= 3}</td>
<td>${4 <= 3}</td>
</tr>
<tr>
<td>\${4 le 3}</td>
<td>${4 le 3}</td>
</tr>
<tr>
<td>\${100.0 == 100}</td>
<td>${100.0 == 100}</td>
</tr>
<tr>
<td>\${100.0 eq 100}</td>
<td>${100.0 eq 100}</td>
</tr>
<tr>
<td>\${(10*10) != 100}</td>
<td>${(10*10) != 100}</td>
</tr>
<tr>
<td>\${(10*10) ne 100}</td>
<td>${(10*10) ne 100}</td>
</tr>
</table>
</code>
<br>
<u><b>Alphabetic</b></u>
<code>
<table border="1">
<thead>
<td><b>EL Expression</b></td>
<td><b>Result</b></td>
</thead>
<tr>
<td>\${'a' < 'b'}</td>
<td>${'a' < 'b'}</td>
</tr>
<tr>
<td>\${'hip' > 'hit'}</td>
<td>${'hip' > 'hit'}</td>
</tr>
<tr>
<td>\${'4' > 3}</td>
<td>${'4' > 3}</td>
</tr>
</table>
</code>
</blockquote>
</body>
</html>
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