[Free] 2018(Jan) EnsurePass Testinsides Oracle 1z0-853 Dumps with VCE and PDF 21-30

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Java Standard Edition 5 Programmer Certified Professional Exam

Question No: 21 – (Topic 1)

Given:

  1. String test = quot;This is a testquot;;

  2. String[] tokens = test.split(quot;\squot;);

  3. System.out.println(tokens.length); What is the result?

  1. An exception is thrown at runtime.

  2. 1

  3. 4

  4. Compilation fails.

  5. 0

Answer: D

Question No: 22 – (Topic 1)

Given:

12. System.out.format(quot;Pi is approximately %d.quot;, Math.PI); What is the result?

  1. An exception is thrown at runtime.

  2. Pi is approximately 3.

  3. Pi is approximately 3.141593.

  4. Compilation fails.

Answer: A

Question No: 23 DRAG DROP – (Topic 1)

Click the Task button.

Ensurepass 2018 PDF and VCE

Answer:

Ensurepass 2018 PDF and VCE

Question No: 24 – (Topic 1)

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;B quot;); }

16. }

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

  2. A a = new B();

  3. a.process();

20. }

What is the result?

  1. Compilation fails because of an error in line 19.

  2. An exception is thrown at runtime.

  3. B

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

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

  6. The code runs with no output.

    Answer: A

    Question No: 25 – (Topic 1)

    Given:

    1. interface A { public void aMethod(); }

    2. interface B { public void bMethod(); }

    3. interface C extends A,B { public void cMethod(); }

    4. class D implements B {

    5. public void bMethod(){} 6. }

  1. class E extends D implements C {

  2. public void aMethod(){}

  3. public void bMethod(){}

  4. public void cMethod(){}

11. }

What is the result?

  1. If you define D e = new E(), then e.bMethod() invokes the version of bMethod() defined in Line 5.

  2. If you define D e = (D)(new E()), then e.bMethod() invokes the version of bMethod() defined in Line 5.

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

  4. If you define D e = (D)(new E()), then e.bMethod() invokes the version of bMethod() defined in Line 9.

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

  6. Compilation fails because of an error in line 7.

Answer: D

Question No: 26 – (Topic 1)

Click the Exhibit button.

What is the output of the program shown in the exhibit?

Ensurepass 2018 PDF and VCE

A. 300-300-100-100-100

B. 300-300-300-100-100

C. 300-300-300-300-100

D. 300-100-100-100-100

Answer: A

Question No: 27 – (Topic 1)

Given:

  1. NumberFormat nf = NumberFormat.getInstance();

  2. nf.setMaximumFractionDigits(4);

  3. nf.setMinimumFractionDigits(2);

  4. String a = nf.format(3.1415926);

  5. String b = nf.format(2);

Which two statements are true about the result if the default locale is Locale.US? (Choose two.)

  1. The value of b is 2.00.

  2. The value of a is 3.141.

  3. The value of a is 3.14.

  4. The value of b is 2.0000.

  5. The value of a is 3.1415.

  6. The value of a is 3.1416.

  7. The value of b is 2.

Answer: A,F

Question No: 28 – (Topic 1)

Given:

  1. // insert code here

  2. private N min, max;

  3. public N getMin() { return min; }

  4. public N getMax() { return max; }

  5. public void add(N added) {

  6. if (min == null || added.doubleValue() lt; min.doubleValue()) 17. min = added;

18. if (max == null || added.doubleValue() gt; max.doubleValue()) 19. max = added;

20. }

21. }

Which two, inserted at line 11, will allow the code to compile? (Choose two.)

  1. public class MinMaxlt;? extends Objectgt; {

  2. public class MinMaxlt;N extends Integergt; {

  3. public class MinMaxlt;N extends Objectgt; {

  4. public class MinMaxlt;N extends Numbergt; {

  5. public class MinMaxlt;?gt; {

  6. public class MinMaxlt;? extends Numbergt; {

Answer: B,D

Question No: 29 – (Topic 1)

Given:

  1. class A {

  2. public void process() { System.out.print(quot;A,quot;); }

  3. class B extends A {

  4. public void process() throws IOException {

  5. super.process();

  6. System.out.print(quot;B,quot;);

  7. throw new IOException();

18. }

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

  2. try { new B().process(); }

  3. catch (IOException e) { System.out.println(quot;Exceptionquot;); }} What is the result?

  1. Compilation fails because of an error in line 14.

  2. Exception

  3. A,B,Exception

  4. Compilation fails because of an error in line 20.

  5. A NullPointerException is thrown at runtime.

Answer: A

Question No: 30 DRAG DROP – (Topic 1)

Click the Task button.

Ensurepass 2018 PDF and VCE

Answer:

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