多选题 Given:
2. interface Plant {
3. int greenness = 7;
4. void grow();
5. }
6. class Grass implements Plant {
7. // static int greenness = 5;
8. // int greenness = 5;
9. public static void main(String[] args)
10. int greenness = 2;
11. new Grass().grow();
12. }
13. public void grow() {
14. System.out.println(++greenness);
15. } }
Which are true? (Choose all that apply.)

A、 As the code stands, the output is 3.
B、 As the code stands, the output is 8.
C、 As the code stands, it will NOT compile.
D、 If line 7 is un-commented, the output is 6.
E、 If line 8 is un-commented, the output is 6.
F、 If line 7 is un-commented, the output is 8.
G、 If line 7 is un-commented, the code will NOT compile.

【正确答案】 C、D、E

【答案解析】