问题：

[多选]

10. class MakeFile { 
11. public static void main（String[] args） { 
12. try { 
13. File directory = new File（”d”）； 
14. File file = new File（directory，”f”）； 
15. if（!file.exists（）） { 
16. file.createNewFile（）； 
17. } 
18. } catch （IOException e） { 
19. e.printStackTrace 
20. } 
21. } 
22. } 
The current directory does NOT contain a directory named “d.” Which three are true？（）

A .  Line 16 is never executed.
B .  An exception is thrown at runtime.
C .  Line 13 creates a File object named “d”.
D .  Line 14 creates a File object named “f‟.
E .  Line 13 creates a directory named “d” in the file system.
F .  Line 16 creates a directory named “d” and a file “f”  within it in the file system.
G .  Line 14 creates a file named "f " inside of the directory named “d” in the file system.