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READ Free Dumps For Oracle- 1z0-851





Question ID 22666

Given:
10. class One {
11. public One foo() { return this; }
12. }
13. class Two extends One {
14. public One foo() { return this; }
15. }
16. class Three extends Two {
17. // insert method here
18. }
Which two methods, inserted individually, correctly complete the Three class? (Choose two.)

Option A

public void foo() {}

Option B

public int foo() { return 3; }

Option C

public Two foo() { return this; }

Option D

public One foo() { return this; }

Option E

public Object foo() { return this; }

Correct Answer C,D
Explanation


Question ID 22667

Given:
5. class Payload {
6. private int weight;
7. public Payload (int w) { weight = w; }
8. public void setWeight(int w) { weight = w; }
9. public String toString() { return Integer.toString(weight); }
10. }
11. public class TestPayload {
12. static void changePayload(Payload p) { /* insert code */ }
13. public static void main(String[] args) {

14. Payload p = new Payload(200);
15. p.setWeight(1024);
16. changePayload(p);
17. System.out.println("p is " + p);
18. } }
Which code fragment, inserted at the end of line 12, produces the output p is 420?

Option A

p.setWeight(420);

Option B

p.changePayload(420);

Option C

p = new Payload(420);

Option D

Payload.setWeight(420);

Option E

p = Payload.setWeight(420);

Correct Answer A
Explanation

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