2011年JAVA认证模拟题（40）

会计考友

　　Q118 Which of the following are true about local inner classes?
　　A They are not associated with an instance of an outer (enclosing) class.
　　B They may access final initialized variables and parameters that are in the scope of the statement block in which the class is declared.
　　C They may be declared public, protected, or private.
  N: r9 x! \, S　　D They may not implement an interface.
　　Q119 Which of the following are true?
　　A A reference to an array can be cast to a reference to an Object.
　　B A reference to an array can be cast to a reference to a Cloneable.
7 V/ k5 R: _2 T0 O; l, r+ [　　C A reference to an array can be cast to a reference to a String.
　　D None of the above.
　　Q120 What is the output of the following program?
1 e+ Y- S) J: _0 f2 A, v" X- k　　public class Question {
: f0 b6 r) y- Y8 b　　public static void main (String args[])
　　{
　　boolean[] b = new boolean[2];
　　double[] d = new double[2];
: t; ?4 p' X  t4 f' _  h　　System.out.print(b[0]);
　　System.out.println(d[1]);
, |: o* K0 z. g( `9 Y) ^  \　　｝
　　｝
　　A true0.0
% _! P$ @# f0 B0 i) V　　B true0
6 A" M) G( j6 f& N* o  x　　C false0.0
　　D false0
　　Q118 AB
5 \1 X- z" F" y6 M$ m　　Q119 AB
, E! l- }9 N$ [( _  [# w2 m. I% c　　Q120 C