多选题 Given:
2. public class Volume {
3. Volume v;
4. int size;
5. public static void main(String[] args)
6. Volume myV = new Volume();
7. final Volume v2;
8. v2 = myV.doStuff(myV);
9. v2.v.size = 7;
10. System.out.print (v2. size);
11. }
12. Volume doStuff(Volume v3) {
13. v3.size = 5;
14. v3.v = new Volume();
15. return v3;
16. } }
What is the result? (Choose all that apply.)