[Free] 2018(Jan) EnsurePass Testking Oracle 1z0-853 Dumps with VCE and PDF 131-140

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Java Standard Edition 5 Programmer Certified Professional Exam

Question No: 131 DRAG DROP – (Topic 2)

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Answer:

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Question No: 132 – (Topic 2)

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Which code, inserted at line 14, will allow this class to correctly serialize and deserialize?

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  1. this = s.defaultReadObject();

  2. y = s.readInt(); x = s.readInt();

  3. x = s.readInt(); y = s.readInt();

  4. s.defaultReadObject();

    Answer: C

    Question No: 133 – (Topic 2)

    Given:

    1. public class Boxer1{

    2. Integer i;

    3. int x;

    4. public Boxer1(int y) {

    5. x = i y;

    6. System.out.println(x);

7. }

  1. public static void main(String[] args) {

  2. new Boxer1(new Integer(4));

    10. }

    11. }

    What is the result?

    1. A NumberFormatException occurs at runtime.

    2. An IllegalStateException occurs at runtime.

    3. Compilation fails because of an error in line 9.

    4. A NullPointerException occurs at runtime.

    5. Compilation fails because of an error in line 5.

    6. The value quot;4quot; is printed at the command line.

Answer: D

Question No: 134 – (Topic 2)

Given the command line java Pass2 and:

  1. public class Pass2 {

  2. public void main(String [] args) {

  3. int x = 6;

  4. Pass2 p = new Pass2();

  5. p.doStuff(x);

  6. System.out.print(quot; main x = quot; x);

21. } 22.

  1. void doStuff(int x) {

  2. System.out.print(quot; doStuff x = quot; x );

25. }

26. }

What is the result?

  1. doStuff x = 6 main x = 6

  2. doStuff x = 6 main x = 7

  3. doStuff x = 7 main x = 7

  4. doStuff x = 7 main x = 6

  5. Compilation fails.

  6. An exception is thrown at runtime.

Answer: F

Question No: 135 – (Topic 2)

Given:

  1. static class A {

  2. void process() throws Exception { throw new Exception(); }

13. }

  1. static class B extends A {

  2. void process() { System.out.println(quot;Bquot;); }

16. }

  1. public static void main(String[] args) {

  2. new B().process();

19. }

What is the result?

  1. Compilation fails because of an error in line 15.

  2. Compilation fails because of an error in line 18.

  3. B

  4. The code runs with no output.

  5. Compilation fails because of an error in line 12.

    Answer: C

    Question No: 136 – (Topic 2)

    Given:

    1. public class Threads5 {

    2. public static void main (String[] args) {

    3. new Thread(new Runnable() {

    4. public void run() {

    5. System.out.print(quot;barquot;); 6. }}).start();

      7. }

      8. }

      What is the result?

      1. The code executes normally, but nothing prints.

      2. An exception is thrown at runtime.

      3. The code executes normally and prints quot;barquot;.

      4. Compilation fails.

        Answer: C

        Question No: 137 – (Topic 2)

        Given:

        1. public class Drink implements Comparable {

        2. public String name;

        3. public int compareTo(Object o) {

        4. return 0; 5. }

6. }

and:

  1. Drink one = new Drink();

  2. Drink two = new Drink();

  3. one.name= quot;Coffeequot;;

  4. two.name= quot;Teaquot;;

  1. TreeSet set = new TreeSet();

  2. set.add(one);

  3. set.add(two);

A programmer iterates over the TreeSet and prints the name of each Drink object. What is the result?

  1. Coffee

  2. Coffee Tea

  3. Compilation fails.

  4. An exception is thrown at runtime.

  5. Tea

  6. The code runs with no output.

Answer: A

Question No: 138 DRAG DROP – (Topic 2)

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Answer:

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Question No: 139 – (Topic 2)

Given:

10: public class Hello { 11: String title;

12: int value;

13: public Hello() { 14: title = quot; Worldquot;; 15: }

16: public Hello(int value) { 17: this.value = value;

18: title = quot;Helloquot;; 19: Hello();

20: }

21: }

and:

30: Hello c = new Hello(5); 31: System.out.println(c.title);

What is the result?

  1. An exception is thrown at runtime.

  2. Hello World 5

  3. The code runs with no output.

  4. Hello World

  5. Compilation fails.

  6. Hello

    Answer: E

    Question No: 140 DRAG DROP – (Topic 2)

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    Ensurepass 2018 PDF and VCE

    Answer:

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