多选题 Given the proper import statements and:
23. try {
24. File file = new File("myFile.txt");
25. PrintWriter pw = new PrintWriter(file);
26. pw.println("line 1");
27. pw.close();
28. PrintWriter pw2 = new PrintWriter("myFile.txt");
29. pw2.println("line 2");
30. pw2.close();
31. } catch (IOException e) { }
What is the result? (Choose all that apply.)

A、 No file is created.
B、 A file named "myFile.txt" is created.
C、 Compilation fails due to an error on line 24.
D、 Compilation fails due to an error on line 28.
E、 "myFile.txt" contains only one line of data, "line 1"
F、 "myFile.txt" contains only one line of data, "line 2"
G、 "myFile.txt" contains two lines of data, "line 1" then "line 2"

【正确答案】 B、F

【答案解析】