SUN 310-083 Exam Questions : Sun Certified Web Component Developer for J2EE 5

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SUN 310-083 Exam Syllabus Topics:

SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:

1. A custom tag is defined to take three attributes. Which two correctly invoke the tag within a
JSP page? (Choose two.)

A) <prefix:myTag jsp:attribute a="foo" b="bar" c="baz" />
B) <prefix:myTag attributes={"foo","bar","baz"} />
C) <prefix:myTag a="foo" b="bar" c="baz" />
D) <prefix:myTag>
< jsp:attribute a:foo b:bar c:baz />
< /prefix:myTag>
E) <prefix:myTag>
< jsp:attribute name="a">foo</jsp:attribute>
< jsp:attribute name="b">bar</jsp:attribute>
< jsp:attribute name="c">baz</jsp:attribute>
< /prefix:myTag>
F) <prefix:myTag>
< jsp:attribute ${"foo", "bar", "baz"} />
< /prefix:myTag>
G) <prefix:myTag>
< jsp:attribute a="foo" b="bar" c="baz"/>
< /prefix:myTag>

2. Given an HttpServletRequest request and HttpServletResponse response, which sets a cookie "username" with the value "joe" in a servlet?

A) response.addHeader(new Cookie("username", "joe"))
B) request.setCookie("username", "joe")
C) response.addCookie(new Cookie("username", "joe"))
D) request.addCookie("username", "joe")
E) request.addHeader(new Cookie("username", "joe"))
F) request.addCookie(new Cookie("username", "joe"))
G) response.addCookie("username", "joe")

3. You need to store a Java long primitive attribute, called customerOID, into the session scope. Which two code snippets allow you to insert this value into the session? (Choose two.)

A) long customerOID = 47L;
session.setNumericAttribute("customerOID", new Long(customerOID));
B) long customerOID = 47L;
session.setLongAttribute("customerOID", customerOID);
C) long customerOID = 47L;
session.setAttribute("customerOID", customerOID);
D) long customerOID = 47L;
session.setAttribute("customerOID", new Long(customerOID));
E) long customerOID = 47L;
session.setNumericAttribute("customerOID", customerOID);
F) long customerOID = 47L;
session.setLongAttribute("customerOID", new Long(customerOID));

4. A session-scoped attribute is stored by a servlet, and then that servlet forwards to a JSP page. Which three jsp:useBean attributes must be used to access this attribute in the JSP page? (Choose three.)

A) bean
B) scope
C) id
D) type
E) name
F) beanName

5. Click the Exhibit button.
The Appliance class is a Singleton that loads a set of properties into a Map from an external data source. Assume:
An instance of the Appliance class exists in the application-scoped attribute, appl
The appliance object includes the name property that maps to the value Cobia
The request-scoped attribute, prop, has the value name.
Which two EL code snippets will display the string Cobia? (Choose two.)

A) ${appl.getProperties().get('name')}
B) ${appl.properties[prop]}
C) ${appl.properties.name}
D) ${appl.properties.prop}
E) ${appl.getProperties().get(prop)}
F) ${appl.properties[name]}

Solutions: