多选题Which two are true about the tag handler referneed by my Tag. （）AThe do Start Tag method is called once.BThe do After Body method is NOT called.CThe EVAL_Page constant is a valid return value for the do End Tag Method.Dthe EVAL_BODY_BUFFERED constant i

A finalizer may NOT be invoked explicitly.

The finalize method declared in class Object takes no action.

super.finalize（）is called implicitly by any over riding finalize method.

The finalize method for a given objec twill be called no more than once by the garbage collector.

The order in which finalize will be called on two objects is based on the order in which the two objects became finalizable.

The tag handler must implement BodyTag.

The doAfterBody method is NOT called.

The setBodyContent method is called once.

It is never legal to return EVAL_BODY_BUFFERED from doStartTag.

 The tag handler must extend body Tag.

 The do After Body method is NOT called.

 The set Body Content method is called.

 It is never legal to return EVAL_BODY_BUFFERED from do Start Tag.

The prefix ’java’ is reserved.

The URI ’myTags’ must be properly mapped to a TLD file by the web container.

A translation error occurs because the prefix is considered identical by the web container.

For the tag usage ， the tag1 must be unique in the union of tag names in ’myTags’ and’moreTags’.

EL

JSP

Empty

Dynamic

Scriptless

Tagdependent

 It is impossible to determine the deepest nesting depth because it is impossible for tag handlers that extend SimpleTagSupport to communicate with their parent and child tags

 Create a private non-static attribute in the tag handler class called count of type int initialized to      oIncrement count in the doTag method. If the tag has a body， invoke the fragment for that body. Otherwise， output the value of count

 Start a counter at 1. Call getChildTags（）. If it returns null， output the value of the counter.      Otherwise， increment counter and continue from where getChildTags（） is called. Skip      processing of the body.

 If the tag has a body， invoke the fragment for that body. Otherwise， start a counter at 1. Call      getParent（）. If it returns null， output the value of the counter. Otherwise， increment the counter      and continue from where getParent（） is called.

The tag is invoked without a body.

The doTAb method throws an exception.

The  element has the value empty.

The tag is called with the attribute skip-body=true

It can be invoked only from the doGet or doPost methods.

It can be used independently of the getRemoteUser method.

Can return true even when its argument is NOT defined as a valid role name in the deployment descriptor.

Using the isUserInRole method overrides any declarative authentication related to the method in which it is invoked.

Every  tag must have at least one  tag.

A  tag can have many  tags.

A given  tag can apply to only one  tag.

A given  tag can contain from zero to many  tags.

It is possible to construct a valid  tag such that，for a given resource，no user rolescan access that resource.

 Set the body content type to JSP in the TLD

 Scriptlet code is NOT legal in the body of st：simple

 Add scripting-enabled= “true” to the start tag for the st：simple element

 Add a pass-through Classic tag with a body content type of JSP to the body of st：simple， and      place the scriptlet code in the body of that tag.

A  element in the echo tag LTD must have the value JSP

The echo tag handler must define the setAttribute （String key， String value） method

The true element must appear in the echo tag TLD

The class implementing the echo tag handler must implement the javax.sevlet.jsp.tagext.IterationTag interface

The class implementing the echo tag handler must implement the javax.sevlet.jsp.tagext.DynamicAttributes interface

 The do After Body method is called.

 The doEnd Tag method is NOT called.

 The type attribute may be specified in the TLD

 The do Start Tag Method must always return SKIP_BODY.

 The TLD for this tag must NOT include a  tag.

It may iterate over arrays， collections， maps and strings.

The body of the tag may contain EL code， but not scripting code.

When looping over collections， a loop status object may be used in the tag body.

It may iterate over a map， but only the key of the mapping may be used in the tag body.

When looping over integers （for example begin1=’1’ end=’10’）， a loop status object may not be used in the tag body.

The do Start Tag method is called once.

The do After Body method is NOT called.

The EVAL_Page constant is a valid return value for the do End Tag Method.

the EVAL_BODY_BUFFERED constant is a valid return value for the do Start Tag method.

The doStartTag method is called once.

The doAfterBody method is NOT called.

The EVAL_PAGE constant is a valid return value for the doEndTag method.

The SKIP_PAGE constant is a valid return value for the doStartTag method.

The EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.

The doStartTag method is called once.

The doAfterBody method is NOT called.

The EVAL_PAGE constant is a valid return value for the doEndTag method.

The SKIP_PAGE constant is a valid return value for the doStartTag method.

The EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.