java Programming Glossary: expression

http://stackoverflow.com/questions/2090033/why-jsf-calls-getters-multiple-times

this question This is caused by the nature of deferred expressions # note that legacy standard expressions behave exactly the.. nature of deferred expressions # note that legacy standard expressions behave exactly the same when Facelets is used instead of JSP.. same when Facelets is used instead of JSP . The deferred expression is not immediately evaluated but created as a ValueExpression..

What is null in Java?

http://stackoverflow.com/questions/2707322/what-is-null-in-java

Values There is also a special null type the type of the expression null which has no name. Because the null type has no name it.. type. The null reference is the only possible value of an expression of null type. The null reference can always be cast to any reference..

Evaluating a math expression given in string form

http://stackoverflow.com/questions/3422673/evaluating-a-math-expression-given-in-string-form

a math expression given in string form I am trying to write a Java routine to.. am trying to write a Java routine to evaluate simple math expressions from String s. Example strings 5 3 or 10 40 or 10 3 I want..

What is the purpose of the expression “new String(…)” in Java?

http://stackoverflow.com/questions/390703/what-is-the-purpose-of-the-expression-new-string-in-java

is the purpose of the expression &ldquo new String &hellip &rdquo in Java While looking at online..

How to reference components in JSF ajax? Cannot find component with identifier “foo” in view

http://stackoverflow.com/questions/8634156/how-to-reference-components-in-jsf-ajax-cannot-find-component-with-identifier

update tabs form display This all is specified as search expression in the UIComponent#findComponent javadoc A search expression.. in the UIComponent#findComponent javadoc A search expression consists of either an identifier which is matched exactly against.. as one of the following conditions is met If the search expression begins with the the separator character called an absolute search..

Servlet Redirection to same page with error message

http://stackoverflow.com/questions/14632252/servlet-redirection-to-same-page-with-error-message

scope and then outputting this message in a JSP using Expression Language see the example below . When the error message is not..

What is the difference between JSF, Servlet and JSP?

http://stackoverflow.com/questions/2095397/what-is-the-difference-between-jsf-servlet-and-jsp

. A well known taglib is JSTL . JSP also supports Expression Language which can be used to access backend data actually the..

Expression Language in JSP not working

http://stackoverflow.com/questions/2168832/expression-language-in-jsp-not-working

Language in JSP not working I am new to JSP and using Expression.. Language in JSP not working I am new to JSP and using Expression language. I am using Eclipse Galileo with version 2.5 and Tomcat.. and Tomcat 6 server . I just want to ask that my simple Expression Language is not printing the vale like if i write 1 2 which..

Which maven dependencies to include for spring 3.0?

http://stackoverflow.com/questions/2237537/which-maven-dependencies-to-include-for-spring-3-0

version org.springframework.version version dependency Expression Language depends on spring core Define this if you use Spring.. depends on spring core Define this if you use Spring Expression APIs org.springframework.expression. dependency groupId org.springframework..

Where can i find a list of all the reference implementations for JEE6? [closed]

http://stackoverflow.com/questions/2296678/where-can-i-find-a-list-of-all-the-reference-implementations-for-jee6

MyFaces 2.0 Java Servlet 3.0 and JavaServer Pages 2.2 Expression Language 2.2 JSR 315 and JSR 245 Oracle Glassfish 3.x RI Resin..

Jboss Seam: Enabling Debug page on WebLogic 10.3.2 (11g)

http://stackoverflow.com/questions/2453746/jboss-seam-enabling-debug-page-on-weblogic-10-3-2-11g

USED by your war module goes here jboss seam.jar lib JBoss Expression Language is used by both EJB and war module jboss el.jar libraries..

What is the main-stream Java alternative to ASP.NET / PHP

http://stackoverflow.com/questions/2556553/what-is-the-main-stream-java-alternative-to-asp-net-php

practice in Java web development world. Taglibs and EL Expression Language should be preferred above scriptlets . The Java equivalent..

How to avoid Java Code in JSP-Files?

http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files

discouraged since the birth of taglibs like JSTL and EL Expression Language those things over a decade ago. The major disadvantages.. backend data inside a JSP page then you need to use EL Expression Language those things. E.g. redisplaying submitted input values..

Change private static final field using Java reflection

http://stackoverflow.com/questions/3301635/change-private-static-final-field-using-java-reflection

take place in the constructor. See also JLS 15.28 Constant Expression It's unlikely that this technique works with a primitive private..

Design Patterns web based applications

http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications

JSP files which have direct access to the Data Model by EL Expression Language . Then there are variations based on how actions and..

How can we match a^n b^n with Java regex?

http://stackoverflow.com/questions/3644266/how-can-we-match-an-bn-with-java-regex

regular expressions to match balanced text MSDN Regular Expression Language Elements Balancing Group Definitions pcre.org PCRE..

Using Java to find substring of a bigger string using Regular Expression

http://stackoverflow.com/questions/600733/using-java-to-find-substring-of-a-bigger-string-using-regular-expression

Java to find substring of a bigger string using Regular Expression If I have a string like this FOO BAR I need a generic way to..

The art of programming: Java vs C# [closed]

http://stackoverflow.com/questions/610199/the-art-of-programming-java-vs-c-sharp

properties Operator overloading Indexers Anonymous types Expression trees Using blocks No checked exceptions. Hooray Decimal type..

EL access a map value by Integer key

http://stackoverflow.com/questions/924451/el-access-a-map-value-by-integer-key

object into the Map. ie map.put new Integer 0 myValue EL Expressions Languages evaluates 0 as a Long and thus goes looking for a.. myMap 42 c out value myMap 42 br p As you can see the EL Expression for the literal number retrieves the value against the java.lang.Long..