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Total No Of Questions: 50.
1) Given:
12. String csv = "Sue,5,true,3";
13. Scanner scanner = new Scanner( csv );
14. scanner.useDelimiter(",");
15. int age = scanner.nextInt();
What is the result?



2)

Given:
11. public static void main(String[] args) {
12. try {
13. args = null;
14. args[0] = "test";
15. System.out.println(args[0]);
16. } catch (Exception ex) {
17. System.out.println("Exception");
18. } catch (NullPointerException npe) {
19. System.out.println("NullPointerException");
20. }
21. }

What is the result?



3) Given:
12. public class Test {
13. public enum Dogs {collie, harrier};
14. public static void main(String [] args) {
15. Dogs myDog = Dogs.collie;
16. switch (myDog) {
17. case collie:
18. System.out.print("collie ");
19. case harrier:
20. System.out.print("harrier ");
21. }
22. }
23. }
What is the result?


4) Given:
1. enum A { A }
2. class E2 {
3. enum B { B }
4. void C() {
5. enum D { D }
6. }
7. }
Which statements are true? (Choose all that apply.)



5) Given the following,
1. public class Test {
2. public static void main (String [] args) {
3. final Foo f = new Foo();
4. Thread t = new Thread(new Runnable() {
5. public void run() {
6. f.doStuff();
7. }
8. });
9. Thread g = new Thread() {
10. public void run() {
11. f.doStuff();
12. }
13. };
14. t.start();
15. g.start();
16. }
17. }
1. class Foo {
2. int x = 5;
3. public void doStuff() {
4. if (x < 10) {
5. // nothing to do
6. try {
7. wait();
8. } catch(InterruptedException ex) { }
9. } else {
10. System.out.println("x is " + x++);
11. if (x >= 10) {
12. notify();
13. }
14. }
15. }
16. }
What is the result?



6) Given:
public class NamedCounter {
private final String name;
private int count;
public NamedCounter(String name) { this.name = name; }
public String getName() { return name; }
public void increment() { count++; }
public int getCount() { return count; }
public void reset() { count = 0; }
}
Which three changes should be made to adapt this class to be used safely by multiple threads? (Choose three.)



7) Given:
1. class Example {
2. public static void main(String[] args) {
3. Short s = 15;
4. Boolean b;
5. // insert code here
6. }
7. }
Which, inserted independently at line 5, will compile? (Choose all that apply.)


8) Which method names follow the JavaBeans standard? (Choose all that apply.)


9) Given:
11. double input = 314159.26;
12. NumberFormat nf = NumberFormat.getInstance(Locale.ITALIAN);
13. String b;
14. //insert code here
Which code, inserted at line 14, sets the value of b to 314.159,26?



10) Given:
11. static void test() throws Error {
12. if (true) throw new AssertionError();
13. System.out.print("test ");
14. }
15. public static void main(String[] args) {
16. try { test(); }
17. catch (Exception ex) { System.out.print("exception "); }
18. System.out.print("end ");
19. }
What is the result?

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