[讨论]一道104题（知道什么是104吧）
98. Given:
13. public class Test {
14. public static void main (String [] args) {
15. StringBuffer a = new StringBuffer (“A”);
16. StringBuffer b = new StringBuffer (“B”);
17. operate (a,b);
18. system.out.printIn{a + “,” +b};
19. )
20. static void operate (StringBuffer x, StringBuffer y) {
21. y.append (x);
22. y = x;
23. )
24. }
What is the result?
A.The code compiles and prints “A,B”.
B.The code compiles and prints “A, BA”.
C.The code compiles and prints “AB, B”.
D.The code compiles and prints “AB, AB”.
E.The code compiles and prints “BA, BA”.
F.The code does not compile because “+” cannot be overloaded for stringBuffer.
[此贴子已经被作者于2006-8-10 11:16:37编辑过]
一个人的快乐，不是因为他拥有的多，而是因为他计较的少．
