In Application Server, you can execute an EL expression created according to the syntax of EL provided in JSP 2.0 or later. If you use JSP EL, you can describe the access to JavaBeans attributes in the JSP files and tag files.

With the EL functionality added in the JSP 2.1 specifications, you can code EL that supports the Enum type of Java SE, specifies values of the JavaBeans attributes, and shows methods. Also, in the JSP 2.1 specifications, in addition to EL provided in the JSP 2.0 specifications, you can code EL provided in the JSF1.1 specifications as the EL of JSP 2.1 specifications.

With the EL functionality added in the JSP 2.2 specifications, you can specify methods that have arguments.

For specifically indicating EL provided in JSP 2.0 specifications, specify EL of JSP 2.0 specifications. For specifically indicating EL of JSP 2.1 specifications, specify EL2.1. For details on specifically indicating the EL provided in the JSP 2.2 specifications, specify EL2.2.