Java認(rèn)證考試章節(jié)練習(xí)(2019.04.28)

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 members of a static inner class can be referenced using the class name of the static inner class.

A.b,3
B.b,8
C.b,13
D.f,3
E.f,8
F.f,13
G.Compilation fails.
H.An exception is thrown at runtime.

A. 16 > 4
B. 16 / 2
C. 16 * 4
D. 16 >> 2
E. 16 / 22
F. 16 >>> 2

A.9
B.18
C.20
D.21
E.22

A.request.getWriter（）；
B.request.getReader（）；
C.request.getInputStream（）；
D.request.getResourceAsStream（）；

A.Transfer Object
B.Service Locator
C.Intercepting Filter
D.Business Delegate

A.<a href=’<c：url url="foo.jsp"/>’ />
B.<a href=’<c：link url="foo.jsp"/>’ />
C.<a href=’<c：url value="foo.jsp"/>’ />
D.<a href=’<c：link value="foo.jsp"/>’ />

A. Final void methoda（） {}
B. Void final methoda（） {}
C. Static void methoda（） {}
D. Static final void methoda（） {}
E. Final abstract void methoda（） {}

A. –2
B. NaN
C. Infinity
D. Compilation fails.
E. An exception is thrown at runtime.

A. Compilation is successful.
B. An error on line 6 causes a runtime failure.
C. An error at line 6 causes compilation to fail.
D. An error at line 2 causes compilation to fail.