| <!-- |
| 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 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| --> |
| <html> |
| <head> |
| <title>JSP 2.0 Expression Language - Basic Arithmetic</title> |
| </head> |
| <body> |
| <h1>JSP 2.0 Expression Language - Basic Arithmetic</h1> |
| <hr> |
| This example illustrates basic Expression Language arithmetic. |
| Addition (+), subtraction (-), multiplication (*), division (/ or div), |
| and modulus (% or mod) are all supported. Error conditions, like |
| division by zero, are handled gracefully. |
| <br> |
| <blockquote> |
| <code> |
| <table border="1"> |
| <thead> |
| <td><b>EL Expression</b></td> |
| <td><b>Result</b></td> |
| </thead> |
| <tr> |
| <td>\${1}</td> |
| <td>${1}</td> |
| </tr> |
| <tr> |
| <td>\${1 + 2}</td> |
| <td>${1 + 2}</td> |
| </tr> |
| <tr> |
| <td>\${1.2 + 2.3}</td> |
| <td>${1.2 + 2.3}</td> |
| </tr> |
| <tr> |
| <td>\${1.2E4 + 1.4}</td> |
| <td>${1.2E4 + 1.4}</td> |
| </tr> |
| <tr> |
| <td>\${-4 - 2}</td> |
| <td>${-4 - 2}</td> |
| </tr> |
| <tr> |
| <td>\${21 * 2}</td> |
| <td>${21 * 2}</td> |
| </tr> |
| <tr> |
| <td>\${3/4}</td> |
| <td>${3/4}</td> |
| </tr> |
| <tr> |
| <td>\${3 div 4}</td> |
| <td>${3 div 4}</td> |
| </tr> |
| <tr> |
| <td>\${3/0}</td> |
| <td>${3/0}</td> |
| </tr> |
| <tr> |
| <td>\${10%4}</td> |
| <td>${10%4}</td> |
| </tr> |
| <tr> |
| <td>\${10 mod 4}</td> |
| <td>${10 mod 4}</td> |
| </tr> |
| <tr> |
| <td>\${(1==2) ? 3 : 4}</td> |
| <td>${(1==2) ? 3 : 4}</td> |
| </tr> |
| </table> |
| </code> |
| </blockquote> |
| </body> |
| </html> |