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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> |
