API Contents - SCJP Sun Certified Programmer for Java Platform SE6 - page 332

11. this.salary = salary;
12. this.id = id;
13. }
14.
15. public static void main(String [] args)
16. throws IOException {
17. Employee e = new Employee(“Jim”, 100.0F, 44);
18. FileOutputStream fs =
19. new FileOutputStream(“e.ser”);
20. new ObjectOutputStream(fs).writeObject(e);
21. }
22. }
which one of the following statements is true?
A. A new file named e.ser is created and contains a serialized Employee object.
B. The private fields of the Employee object are not serialized.
C. Line 3 generates a compiler error.
D. Line 20 generates a compiler error.
E. Line 20 throws a NotSerializableException.
15. Given the following code:
5. java.io.Console out = System.console();
6. String s = out.readPassword(“%s”, “Enter a password: “);
7. System.out.println(“You entered “ + s);
which of the following statements are true? (Select two.)
A. Line 5 generates a compiler error.
B. Line 6 generates a compiler error.
C. Line 7 generates a compiler error.
D. The out reference on line 5 may be null.
E. The readPassword method does not use a format specifier.
16. What is the result of the following program?
1. import java.io.*;
2.
3. public class SerializeA {
4. public static void main(String [] args) throws
5. IOException, ClassNotFoundException {
6. A ref = new A(12);