填空題

1. public class test {  
2. public static string output = “” 
3.  
4. public static void foo(int i) {  
5. try {  
6. if(i= =1) {  
7. throw new Exception ();  
8. }  
9. output += “1”;  10. )  
11. catch(Exception e) { 
12. output += “2”;  
13. return;  
14. )  
15. finally (  
16. output += “3”; 
17. )  
18. output += “4”;  
19. )  
20.  
21. public static void main (string args) (  
22. foo(0);  
23. foo(1);  
24.  
25. )  
26. )  
What is the value of the variable output at line 24?()

答案: 13423
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