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多选题
Given： 6. 7. 8. and a custom tag handler for foo which extends TagSupport. Which two are true about thetag handler referenced by foo？（）
A
The doStartTag method is called once.
B
The doAfterBody method is NOT called.
C
The EVAL_PAGE constant is a valid return value for the doEndTag method.
D
The SKIP_PAGE constant is a valid return value for the doStartTag method.
E
The EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.
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更多 “多选题Given： 6. 7. 8. and a custom tag handler for foo which extends TagSupport. Which two are true about thetag handler referenced by foo？（）AThe doStartTag method is called once.BThe doAfterBody method is NOT called.CThe EVAL_PAGE constant is a valid return value for the doEndTag method.DThe SKIP_PAGE constant is a valid return value for the doStartTag method.EThe EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.” 相关考题
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A custom JSP tag must be able to support an arbitrary number of attributes whose names are unknown when the tag class is designed. Which two are true？ （）A、 A element in the echo tag LTD must have the value JSPB、 The echo tag handler must define the setAttribute （String key， String value） methodC、 The true element must appear in the echo tag TLDD、 The class implementing the echo tag handler must implement the javax.sevlet.jsp.tagext.IterationTag interfaceE、 The class implementing the echo tag handler must implement the javax.sevlet.jsp.tagext.DynamicAttributes interface
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Set the body content type to JSP in the TLDB
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考题
单选题Assume a tag handler extends TagSupport. Which is used within the tag handler to get an attribute “foo” that is in the application scope？（）A
pageContext.getAttribute（“foo”）；B
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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 is a valid return value for the do Start Tag method.
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填空题5. String foo = “base”； 6. foo.substring（0，3）； 7. foo.concat（“ket”） 8. Type the value of foo at line 8.（）
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单选题The tag handler for n：recurse extends SimpleTagSupport.Assuming an n：recurse tag can either contain an empty body or another n：recurse tag， which strategy allows the tag handler for n：recurse to output the nesting depth of the deepest n：recurse tag？（）A
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 tagsB
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 countC
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考题
单选题You are creating a content management system （CMS） with a web application front-end. The JSP thatdisplays a given document in the CMS has the following general structure： 1. 2. ... 11. ... ... ... 99. The citation tag must store information in the document tag for the document tag to generate a referencesection at the end of the generated web page. The document tag handler follows the Classic tag model andthe citation tag handler follows the Simple tag model. Furthermore， the citation tag could also be embeddedin other custom tags that could have either the Classic or Simple tag handler model. Which tag handlermethod allows the citation tag to access the document tag？（）A
public void doTag（） {JspTag docTag = findAncestorWithClass（this， DocumentTag.class）； （（DocumentTag）docTag）.addCitation（this.docID）；}B
public void doStartTag（） {JspTag docTag = findAncestorWithClass（this， DocumentTag.class）； （（DocumentTag）docTag）.addCitation（this.docID）；}C
public void doTag（） {. Tag docTag = findAncestor（this， DocumentTag.class）； . （（DocumentTag）docTag）.addCitation（this.docID）；. }D
public void doStartTag（） {. Tag docTag = findAncestor（this， DocumentTag.class）； . （（DocumentTag）docTag）.addCitation（this.docID）；. }
考题
多选题A custom JSP tag must be able to support an arbitrary number of attributes whose names are unknown when the tag class is designed. Which two are true？ （）AA element in the echo tag LTD must have the value JSPBThe echo tag handler must define the setAttribute （String key， String value） methodCThe true element must appear in the echo tag TLDDThe class implementing the echo tag handler must implement the javax.sevlet.jsp.tagext.IterationTag interfaceEThe class implementing the echo tag handler must implement the javax.sevlet.jsp.tagext.DynamicAttributes interface
考题
单选题Which statement is true if the do Start Tag method returns EVAL_BODY_BUFFERED？（）A
The tag handler must extend body Tag.B
The do After Body method is NOT called.C
The set Body Content method is called.D
It is never legal to return EVAL_BODY_BUFFERED from do Start Tag.
考题
多选题Given： 6. 7. 8. and a custom tag handler for foo which extends TagSupport. Which two are true about thetag handler referenced by foo？（）AThe doStartTag method is called once.BThe doAfterBody method is NOT called.CThe EVAL_PAGE constant is a valid return value for the doEndTag method.DThe SKIP_PAGE constant is a valid return value for the doStartTag method.EThe EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.
考题
单选题Given the JSP code： and the Classic tag handler code： 5. public int doStartTag（） throws JspException { 6. // insert code here 7. // return int 8. } Assume there are no other "foo" attributes in the web application. Which invocation on the pageContextobject，inserted at line 6，assigns "bar" to the variable x？（）A
String x = （String） pageContext.getAttribute（foo）B
String x = （String） pageContext.getRequestScope（foo）C
It is NOT possible to access the pageContext object from within doStartTagD
String x = （String） pageContext.getRequest（）.getAttribute（foo）E
String x = （String） pageContext.getAttribute（foo， PageContext.ANY_SCOPE）
考题
单选题Given the JSP code： and the Classic tag handler code： 5. public int doStartTag（） throws JspException { 6. // insert code here 7. // return int 8. } Assume there are no other "foo" attributes in the web application. Which invocation on the pageContextobject，inserted at line 6，assigns "bar" to the variable x？（）A
String x = （String） pageContext.getAttribute（foo）B
String x = （String） pageContext.getRequestScope（foo）C
It is NOT possible to access the pageContext object from within doStartTagD
String x = （String） pageContext.getRequest（）.getAttribute（foo）E
String x = （String） pageContext.getAttribute（foo， PageContext.ANY_SCOPE）
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