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📄 basic-comparisons.jsp

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  Copyright 2004 The Apache Software Foundation

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

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  distributed under the License is distributed on an "AS IS" BASIS,
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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 (&lt; or lt)</li>
      <li>Greater-than (&gt; or gt)</li>
      <li>Less-than-or-equal (&lt;= or le)</li>
      <li>Greater-than-or-equal (&gt;= 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 &lt; 2}</td>
	    <td>${1 < 2}</td>
	  </tr>
	  <tr>
	    <td>\${1 lt 2}</td>
	    <td>${1 lt 2}</td>
	  </tr>
	  <tr>
	    <td>\${1 &gt; (4/2)}</td>
	    <td>${1 > (4/2)}</td>
	  </tr>
	  <tr>
	    <td>\${1 &gt; (4/2)}</td>
	    <td>${1 > (4/2)}</td>
	  </tr>
	  <tr>
	    <td>\${4.0 &gt;= 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 &lt;= 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' &lt; 'b'}</td>
	    <td>${'a' < 'b'}</td>
	  </tr>
	  <tr>
	    <td>\${'hip' &gt; 'hit'}</td>
	    <td>${'hip' > 'hit'}</td>
	  </tr>
	  <tr>
	    <td>\${'4' &gt; 3}</td>
	    <td>${'4' > 3}</td>
	  </tr>
	</table>
      </code>
    </blockquote>
  </body>
</html>

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