2011年JAVA认证模拟题第二阶段(14)
Q40.Which keyword, when used in front of a method, must also appear in front of the class. a. synchronizedb. abstract
c. public
d. private
Q41.Given this code snippet,
1. try {
2. tryThis();
3. return;
4. } catch(IOException x1) {
5. System.out.println(“exception 1”);
6. return;
7. } catch(Exception x2) {
8. System.out.println(“exception 2”);
9. return;
10. } finally {
11. System.out.println(“finally”);
12. }
what will appear in the standard output if tryThis() throws a IOException?
a. “exception 1” followed by “finally”
b. “exception 2” followed by “finally”
c. “exception 1”
d. “exception 2”
Q42.Given the code snippet,
1. double a = 90.7;
2. double b = method(a);
3. System.out.println(b);
if this snippet displays 90.0 in the standard output, what Math method did method() invoke? Select all valid answers.
a. abs()
b. round()
c. floor()
d. ceil()
40. b
41. a
42. c
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