Fundamentals - SCJP Sun Certified Programmer for Java Platform SE6 - page 67

A. This code does not compile.
B. 9
C. -1
D. 81
9. What is the output of the following code?
1. public class TestDrive {
2.
3. public static void go(Car c) {
4. c.velocity += 10;
5. }
6.
7. public static void main(String [] args) {
8. Car porsche = new Car();
9. go(porsche);
10.
11. Car stolen = porsche;
12. go(stolen);
13.
14. System.out.println(porsche.velocity);
15. }
16. }
17.
18. class Car {
19. public int velocity = 10;
20. }
A. 0
B. 10
C. 20
D. 30
E. This code does not compile.
10. What is the output of the following code?
1. import java.util.*;
2.
3. public class DateSwap {
4.