问题：

[多选]

10. interface Foo { 
11. int bar（）； 
12. } 
13. 
14. public class Beta { 
15. 
16. class A implements Foo { 
17. public int bar（） { return 1； } 
18. } 
19. 
20. public int fubar（ Foo foo） { return foo.bar（）； } 
21. 
22. public void testFoo（） { 
23. 
24. class A implements Foo { 
25. public int bar（） { return 2； } 
26. } 
27. 
28. System.out.println（ fubar（ new A（）））；
29. } 
30. 
31. public static void main（ String[] argv） { 
32. new Beta（）.testFoo（）； 
33. } 
34. } 
Which three statements are true？（）

A .  Compilation fails.
B .  The code compiles and the output is 2.
C .  If lines 16， 17 and 18 were removed， compilation would fail.
D .  If lines 24， 25 and 26 were removed， compilation would fail.
E .  If lines 16， 17 and 18 were removed， the code would compile and the output would be 2.
F .  If lines 24， 25 and 26 were removed， the code would compile and the output would be 1.