Given the command line java Pass2 and： public class Pass2 { public void main（String [] args） { int x=6； Pass2 p = new Pass2（）； p.doStuff（x）； System.out.print（” main x = “+ x）； } void doStuff（int x） { System.out.print（” doStuffx = “+ x++）； } } What is the result？（）
- A Compilation fails.
- B An exception is thrown at runtime.
- C doStuffx = 6 main x = 6
- D doStuffx = 6 main x = 7
- E doStuffx = 7 main x = 6
- F doStuffx = 7 main x = 7