2011年JAVA认证模拟题第二阶段（11）
Q31.What will appear in the standard output when you run the Tester class?1. class Tester {
2. int var;
3. Tester(double var) {
4. this.var = (int)var;
5. ｝
6. Tester(int var) {
7. this(“hello”);
8. ｝
9. Tester(String s) {
10. this();
11. System.out.println(s);
12. ｝
13. Tester() {
14. System.out.println(“good-bye”);
15. ｝
16. public static void main(String args[]) {
17. Tester t = new Tester(5);
18. ｝
a. “hello”
b. 5
c. “hello” followed by “good-bye”
d. “good-bye” followed by “hello”
2011年JAVA认证模拟题第二阶段（11）
</p> Q32.What are the range of values for a variable of type short?a. -2^7 to 2^7-1
b. 0 to 2^8
c. -2^15 to 2^15-1
d. -2^15-1 to 2^15
Q33.Analyze the following two classes
1. class First {
2. static int a = 3;
3. ｝
4. final class Second extends First {
5. void method() {
6. System.out.println(a);
7. ｝
8. ｝
a. Class First compiles, but class Second does not.
b. Neither class compiles.
c. Both classes compile, and if method() is invoked, it writes 3 to the output.
d. Both classes compile, and if method() is invoked, it throws an exception.
31. d
32. c
33. c
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