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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>