[Free] 2018(Jan) EnsurePass Testking Oracle 1z0-853 Dumps with VCE and PDF 121-130

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Java Standard Edition 5 Programmer Certified Professional Exam

Question No: 121 – (Topic 2)

Given:

  1. public class test {

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

  3. assert a.length == 1;

11. }

12. }

Which two will produce an AssertionError? (Choose two.)

  1. java -ea test

  2. java -ea test file1

  3. java -ea:test test file1

  4. java test

  5. java -ea test file1 file2

  6. java test file1

Answer: A,E

Question No: 122 DRAG DROP – (Topic 2)

Click the Task button.

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Answer:

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Question No: 123 – (Topic 2)

A programmer must create a generic class MinMax and the type parameter of MinMax must implement Comparable. Which implementation of MinMax will compile?

  1. class MinMaxlt;E implements Comparablelt;Egt;gt; {

    lt;Egt; E min = null;

    lt;Egt; E max = null; public MinMax() {}

    public lt;Egt; void put(E value) { /* store min or max */ }

  2. class MinMaxlt;E implements Comparablelt;Egt;gt; { E min = null;

    E max = null; public MinMax() {}

    public void put(E value) { /* store min or max */ }

  3. class MinMaxlt;E extends Comparablelt;Egt;gt; {

    lt;Egt; E min = null;

    lt;Egt; E max = null; public MinMax() {}

    public lt;Egt; void put(E value) { /* store min or max */ }

  4. class MinMaxlt;E extends Comparablelt;Egt;gt; { E min = null;

E max = null; public MinMax() {}

public void put(E value) { /* store min or max */ }

Answer: D

Question No: 124 – (Topic 2)

Click the Exhibit button. What is the result?

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

B. 0000

C. 4321

  1. An exception is thrown at runtime.

    Answer: A

    Question No: 125 – (Topic 2)

    Given:

    1. class TestA {

    2. public void start() { System.out.println(quot;TestAquot;); } 3. }

  1. public class TestB extends TestA {

  2. public void start() { System.out.println(quot;TestBquot;); }

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

  4. ((TestA)new TestB()).start(); 8. }

    9. }

    What is the result?

    1. TestB

    2. An exception is thrown at runtime.

    3. TestA

    4. Compilation fails.

      Answer: A

      Question No: 126 – (Topic 2)

      Given:

      1. public class Base {

      2. public static final String FOO = quot;fooquot;;

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

      4. Base b = new Base();

      5. Sub s = new Sub();

      6. System.out.print(Base.FOO);

      7. System.out.print(Sub.FOO);

      8. System.out.print(b.FOO);

      9. System.out.print(s.FOO);

      10. System.out.print(((Base)s).FOO); 11. } }

12. class Sub extends Base {public static final String FOO=quot;barquot;;} What is the result?

  1. foofoofoobarbar

  2. foofoofoobarfoo

  3. foobarfoofoofoo

  4. barbarbarbarbar

  5. foobarfoobarfoo

  6. foofoofoofoofoo

  7. foobarfoobarbar

Answer: E

Question No: 127 DRAG DROP – (Topic 2)

Click the Task button.

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Answer:

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Question No: 128 – (Topic 2)

Click the Exhibit button. Given:

  1. public void method() {

  2. A a = new A();

  3. a.method1();

34. }

Which statement is true if a TestException is thrown on line 3 of class B?

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  1. The method declared on line 31 must be declared to throw a RuntimeException.

  2. Line 33 must be called within a try block.

  3. The exception thrown by method1 in class A is not required to be caught.

  4. On line 5 of class A, the call to method2 of class B does not need to be placed in a try/catch block.

Answer: C

Question No: 129 – (Topic 2)

Given

  1. class Foo {

  2. static void alpha() { /* more code here */ }

  3. void beta() { /* more code here */ }

13. }

Which two statements are true? (Choose two.)

  1. Foo.beta() is a valid invocation of beta().

  2. Method alpha() can directly call method beta().

  3. Method beta() can directly call method alpha().

  4. Foo.alpha() is a valid invocation of alpha().

Answer: C,D

Question No: 130 – (Topic 2)

Given:

  1. String #name = quot;Jane Doequot;;

  2. int $age = 24;

  3. Double _height = 123.5;

  4. double ~temp = 37.5;

Which two statements are true? (Choose two.)

  1. Line 35 will not compile.

  2. Line 38 will not compile.

  3. Line 37 will not compile.

  4. Line 36 will not compile.

Answer: A,B

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