2011年JAVA认证模拟题第二阶段（23）

会计考友

　　Q67.What happens when this method is called with an input of “Java rules”?
　　1. public String addOK(String S) {
, v* X4 E" ?  a# }8 n- O　　2. S += “ OK!”;
　　3. return S;
　　4. ｝
% {/ v# ^! _. n/ X: T+ c1 E　　Select one correct answer
" G$ ~, p2 a8 n) n5 c　　a. The method will return “OK!”;
　　b. A runtime exception will be thrown.
+ t7 }: f' a% e% o　　c. The method will return “Java rules OK!”.
2 c9 Q' c: g# b3 }' }　　d. The method will return “Java rules”.
4 ?! [: t- n+ _9 u: k& B　　Q68.What happens during execution of the following program?
　　1. public class OperandOrder {
. ~; x; O# @: D2 O　　2. public static void main(String args[]) {
, q8 S( t' l; v. V　　3. int i=0;
" b$ S$ O& }1 q　　4. int a[] = {3,6｝;
0 F% q) |* }  Z) b( n9 V, |8 x　　5. a = i = 9;
  S, S8 w9 h$ L8 h, i　　6. System.out.println(i + “ “ + a[0] + “ “ + a[1]);
　　7. ｝
　　8. ｝
　　Select one correct answer.
　　a. Raises “ArrayIndexOutOfBoundsException”.
& L/ U( O7 l' F( ?$ g1 S　　b. Prints “9 9 6”.
　　c. Prints “9 0 6”.
　　d. Prints “9 3 6”.
# y  ~* K( p( n7 N. ?　　Q69.Which statements about the output of the following program are true?
3 i6 W0 B. x- f+ _" G7 P　　1. public class Logic {
　　2. public static void main(String args[]) {
' ^* y6 v2 L% c- S$ b% ^8 K　　3. int i = 0;
　　4. int j = 0;
　　5. boolean t = true;
　　6. boolean r;

: I7 N2 P) [  b) E+ @% D% y* O4 [　　7. r = (t & 0