The following is an entry in JSTL's Core tags descriptor.
Select the true statements about this tag.
<tag>
<description>
Catches any Throwable that occurs in its body and optionally
exposes it.
</description>
<name>catch</name>
<tag-class>org.apache.taglibs.standard.tag.common.core.CatchTag</tag-class>
<body-content>
JSP</body-content>
<attribute>
<name>var</name>
<required>false</required>
<rtexprvalue>false</rtexprvalue>
</attribute>
</tag>
Answers
1) This is an example of an empty tag.
2) The attribute "var" cannot use a JSP runtime expression.
3) The tag may have the attribute "var" supplied.
The correct answers are 2) and 3).
I didnt got it how the answer 3) is correct?