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.
正确答案:B,C,D
答案解析:有
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