多项选择题Which the two demonstrate an “is a” relationship?()

A. public interface Person {}  Public class Employee extends Person {}
B. public interface Shape {}  public interface Rectangle extends Shape {}
C. public interface Color {}  public class Shape { private Color color; }
D. public class Species {}  public class Animal { private Species species; }
E. interface Component {} Class Container implements Component {private Component [] children;


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1.多项选择题


Which two overload the setVar method()

A.A
B.B
C.C
D.D
E.E

2.单项选择题Which thefollowingstatements about static inner classes is true?()

A. An anonymous class can be declared as static.
B. A static inner class cannot be a static member of the outer class.
C. A static inner class does not require an instance of the enclosing class.
D. Instance member of a static inner class can be referenced using the class name of the staticinner class.

3.多项选择题Which the following two statements are true?()

A. An inner class may be declared as static.
B. An anonymous inner class can be declared as public.
C. An anonymous inner class can be declared as private.
D. An anonymous inner class can extend an abstract class.
E. An anonymous inner class can be declared as protected.

4.多项选择题Under what two circumstances is the set JspBody method NOT called in a tag class that implements the Simple Tag interface? ()

A. The tag is invoked without a body.
B. The doTAb method throws an exception.
C. The  element has the value empty.
D. The tag is called with the attribute skip-body=true

6.单项选择题


Which statement inserted at line II, retrieves the text from the second text field?()

A. second = request.getParameter (“foo”):
B. second = request.getParameter (“foo”, 1):
C. second = request.getParameter (“foo”,2):
D. second = request.getParameter (foo”) [1]:
E. second = request.getParameter Values (“foo”) [1]:

7.单项选择题


Which retrieves the binary input stream on line 13?()  

A. request.get Writer ():
B. request.get Reader ():
C. request.get Input Stream():
D. request.get Resource As Stream():
E. request.get Resource As Stream (Servlet Request. REQUEST):

8.单项选择题Given an HttpServlet Request request and Http Servlet Response response, which sets a cookie “username” with the value “joe” in a servlet.?()

A. request.add Cookie (“username”. “joe”)
B. request.set Cookie (“username, “joe”)
C. response.add Cookie (username”, “joe”))
D. request.add Header (new Cookie (“username”, “joe”))
E. request.add Cookie (new Cookie (“username”, “joe”))
F. response.add Cookie (new Cookie (“username”, “joe”))
G. response.add Header (new Cookie (“username”, “joe”))

9.单项选择题


Which statement. At line 16, retrieves an Input Stream for the file / WEBINF/myresrc.bin?()

A. ctx.get put Stream (“/WEB-INF/myresrc.bin”):
B. ctx.get Input Stream (“/WEB-INF/myresrc.bin”):
C. ctx.get Resource As Stream (“/WEB-INF/myresrc.bin”):
D. new Input Stream (new Url (“/WEB-INF/myresrc.bin”):
E. Get Class (). Get Resource As Stream (“/WEB-INF/myresrc.bin”):

10.多项选择题


Which two are true about the tag handler referneed by my Tag. ()

A. The do Start Tag method is called once.
B. The do After Body method is NOT called.
C. The EVAL_Page constant is a valid return value for the do End Tag Method.
D. the EVAL_BODY_BUFFERED constant is a valid return value for the do Start Tag method.

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