{"id":69280,"date":"2021-08-16T20:38:53","date_gmt":"2021-08-17T00:38:53","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/recent-posts\/jsp-expression-language-37\/"},"modified":"2021-08-16T20:38:53","modified_gmt":"2021-08-17T00:38:53","slug":"jsp-expression-language-37","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=69280","title":{"rendered":"JSP Expression Language #37"},"content":{"rendered":"<pre>Expression Language-------------------Introduced in JSP 2.0You can write short expressions for different operations [other than using functions]If you want to ignore EL in any page addSome examplesEL=&gt; what does it mean?${3+2-1}=&gt; ${3+2-1} ${\"1\"+2} =&gt; ${\"1\"+2} ${3%2} =&gt; ${3%2} ${(8 div 2) mod 3} =&gt; ${(8 div 2) mod 3} ${1&lt;2} =&gt; ${1&lt;2} <\/pre>\n<p>From: http:\/\/sitestree.com\/?p=4793<br \/> Categories:37<br \/>Tags:<br \/> Post Data:2010-01-28 02:13:10<\/p>\n<pre><code>    Shop Online: &lt;a href='https:\/\/www.ShopForSoul.com\/' target='new' rel=\"noopener\"&gt;https:\/\/www.ShopForSoul.com\/&lt;\/a&gt;\n    (Big Data, Cloud, Security, Machine Learning): Courses: &lt;a href='http:\/\/Training.SitesTree.com' target='new' rel=\"noopener\"&gt; http:\/\/Training.SitesTree.com&lt;\/a&gt; \n    In Bengali: &lt;a href='http:\/\/Bangla.SaLearningSchool.com' target='new' rel=\"noopener\"&gt;http:\/\/Bangla.SaLearningSchool.com&lt;\/a&gt;\n    &lt;a href='http:\/\/SitesTree.com' target='new' rel=\"noopener\"&gt;http:\/\/SitesTree.com&lt;\/a&gt;\n    8112223 Canada Inc.\/JustEtc: &lt;a href='http:\/\/JustEtc.net' target='new' rel=\"noopener\"&gt;http:\/\/JustEtc.net (Software\/Web\/Mobile\/Big-Data\/Machine Learning) &lt;\/a&gt;\n    Shop Online: &lt;a href='https:\/\/www.ShopForSoul.com'&gt; https:\/\/www.ShopForSoul.com\/&lt;\/a&gt;\n    Medium: &lt;a href='https:\/\/medium.com\/@SayedAhmedCanada' target='new' rel=\"noopener\"&gt; https:\/\/medium.com\/@SayedAhmedCanada &lt;\/a&gt;\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Expression Language&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-Introduced in JSP 2.0You can write short expressions for different operations [other than using functions]If you want to ignore EL in any page addSome examplesEL=&gt; what does it mean?${3+2-1}=&gt; ${3+2-1} ${&#8220;1&#8243;+2} =&gt; ${&#8220;1&#8243;+2} ${3%2} =&gt; ${3%2} ${(8 div 2) mod 3} =&gt; ${(8 div 2) mod 3} ${1&lt;2} =&gt; ${1&lt;2} From: http:\/\/sitestree.com\/?p=4793 Categories:37Tags: Post &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=69280\">Continue reading<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1917],"tags":[],"class_list":["post-69280","post","type-post","status-publish","format-standard","hentry","category-fromsitestree-com","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":69278,"url":"http:\/\/bangla.sitestree.com\/?p=69278","url_meta":{"origin":69280,"position":0},"title":"JSP Tags #37","author":"Author-Check- Article-or-Video","date":"August 16, 2021","format":false,"excerpt":"JSP Tag Library (JSTL) JSP Disadvantage 1. Java code embedded in scriptlets make the code difficult to understand 2. Reduced code reusability 3. Difficult to modify [Java Code] 4. Java code needs to use Class Casting JSTL Advantages 1. Better code 2. Enhanced Code reusability 3. No type casting from\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":69225,"url":"http:\/\/bangla.sitestree.com\/?p=69225","url_meta":{"origin":69280,"position":1},"title":"Crystal Report for Java\/JSP #42","author":"Author-Check- Article-or-Video","date":"August 14, 2021","format":false,"excerpt":"Similar to the way you use crystal report for report creation in Visual Studio. The following web-pages and videos demonstrate how to use crystal reports in eclipse IDE [for Java] for report creation. Creating reports using tools like this may be faster and more efficient than creating reports with Java\/JSP\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":69284,"url":"http:\/\/bangla.sitestree.com\/?p=69284","url_meta":{"origin":69280,"position":2},"title":"JSP: Custom Tags #37","author":"Author-Check- Article-or-Video","date":"August 16, 2021","format":false,"excerpt":"Custom Tags = alternatives to java beans for JSP = reduces some limitations of JavaBeans (in JSP) like to few methods to access the bean, you may still require to write much java code in JSP [that we want to avoid] Overview: Custom tag with no body should extend TagSupport\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":69127,"url":"http:\/\/bangla.sitestree.com\/?p=69127","url_meta":{"origin":69280,"position":3},"title":"Struts: Application Development Approaches #47","author":"Sayed","date":"August 12, 2021","format":false,"excerpt":"Struts: Application Development Approaches Use Application Modules: Use multiple configuration files to facilitate parallel development in a team Secure JSP pages Use Dynamic Forms From: http:\/\/sitestree.com\/?p=4825 Categories:47Tags: Post Data:2008-06-16 17:55:16 Shop Online: <a href='https:\/\/www.ShopForSoul.com\/' target='new' rel=\"noopener\">https:\/\/www.ShopForSoul.com\/<\/a> (Big Data, Cloud, Security, Machine Learning): Courses: <a href='http:\/\/Training.SitesTree.com' target='new' rel=\"noopener\"> http:\/\/Training.SitesTree.com<\/a> In Bengali:\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":70173,"url":"http:\/\/bangla.sitestree.com\/?p=70173","url_meta":{"origin":69280,"position":4},"title":"OpenCMS Resources #113","author":"Author-Check- Article-or-Video","date":"August 28, 2021","format":false,"excerpt":"OpenCms installation overview: The instructions work perfectly to my test Wiki Based Tutorial on OpenCMS Some Topics to Learn in OpenCMS Installing OpenCms, and its basic concepts Using the OpenCms Workplace Exploring the core architecture and the virtual file system Working with JSP templates Creating OpenCms modules Adding custom resource\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":69282,"url":"http:\/\/bangla.sitestree.com\/?p=69282","url_meta":{"origin":69280,"position":5},"title":"JSP: Random Information #37","author":"Author-Check- Article-or-Video","date":"August 16, 2021","format":false,"excerpt":"Three JSP constructs: scripting elements, actions, directives Scripting elements: expressions, scriptlets, declarations Expression = translates to println in servlets in _jspService methods < % = expression %> < % = new java.util.Date() %> inserts values directly to the output scriptlet: block of java code : directly inserted into the related\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/69280","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=69280"}],"version-history":[{"count":0,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/69280\/revisions"}],"wp:attachment":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=69280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=69280"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=69280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}