Quiz of the Day | OCPJP (35)

Given:

7. public interface Ndesit {
8. /* insert code here */ int score = 8;
9. }

Which 3 are valid on line 8? (Choose 3)
A. final
B. static
C. native
D. public
E. private
F. abstract
G. protected

Quiz of the day | OCPJP (34)

Given:

3. class K {
4. String name = "kentang ";
5. String makeNoise() { return "ngentang"; }
6. }
7. class S extends K {
8. String name = "surikoyo ";
9. String makeNoise() { return "nyurikoyo"; }
10. }
11. public class ZK {
12. public static void main(String[] args) { new ZK().go(); }
13. void go() {
14. K k = new S();
15. System.out.println(k.name + k.makeNoise());
16. }
17. }

What is the result?

A. kentang nyurikoyo
B. surikoyo nyurikoyo
C. kentang ngentang
D. surikoyo ngentang
E. Compilation fails
F. An exception is thrown at runtime

Quiz of the day | OCPJP (33)

Given:

1. public class Tingting implements Ayu
{ public void doIt() { } }
2.
3. abstract class Phone1 extends Electronic { }
4.
5. abstract class Phone2 extends Electronic
{ public void doIt(int x) { } }
6.
7. class Phone3 extends Electronic implements Ayu
{ public void doStuff() { } }
8.
9. interface Device { public void doIt(); }

What is the result? (Choose all that apply.)

A. Compilation succeeds
B. Compilation fails with an error on line 1
C. Compilation fails with an error on line 3
D. Compilation fails with an error on line 5
E. Compilation fails with an error on line 7
F. Compilation fails with an error on line 9

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Quiz of the day | OCPJP (32)

Given:

1. class Pocong {
2. public static void main(String[] args) {
3. doStuff(8);
4. doStuff(8,9);
5. }
6. // insert code here
7. }

Which, inserted independently at line 6, will compile? (Choose all that

apply.)

A. static void doStuff(int... doArgs) { }
B. static void doStuff(int[] doArgs) { }
C. static void doStuff(int doArgs...) { }
D. static void doStuff(int... doArgs, int y) { }
E. static void doStuff(int x, int... doArgs) { }


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Quiz of the day | OCPJP (31)

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

A. addBook
B. getProduct
C. deleteShirt
D. isThree
E. putBall


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