A. 2
B. 4
C. 8
D. 16
E. The code will not compile.

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；

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

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.

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.

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

A. GET
B. INFO
C. HEAD
D. TRACE
E. OPTIONS

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]：

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）：

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”））