Oracle 1Z0-808 Online Practice Questions and Exam Preparation

Oracle 1Z0-808 Online Questions & Answers

• Question 241:

  Given the code fragment:

  

  What is the result?

  A. Answer = 0
  B. Invalid calculation
  C. Compilation fails only at line n1.
  D. Compilation fails only at line n2.
  E. Compilation fails at line n1 and line2.
  E. Compilation fails at line n1 and line2.

  ---

  Explanation/Reference:

• Question 242:

  Given:

  public class TestLoop1 {

  public static void main(String[] args) {

  int a = 0, z=10;

  while (a < z) {

  a++;

  --z;

  }

  System.out.print(a + " : " + z);

  }

  }

  What is the result?

  A. 5 : 5
  B. 6 : 4
  C. 6 : 5
  D. 5 : 4
  A. 5 : 5

• Question 243:

  Given the code fragment: Which two modifications enable the code to compile?

  

  A. Make the method at line 8 protected.
  B. Make the method at line 8 public.
  C. Make the method at line 10 protected.
  D. Make the method at line 4 public.
  E. Make the method at line 2 public.
  A. Make the method at line 8 protected.
  C. Make the method at line 10 protected.

• Question 244:

  Given:

  

  And given the code fragment:

  

  What is the result?

  A. 4W 100 Auto 4W 150 Manual
  B. Null 0 Auto 4W 150 Manual
  C. Compilation fails only at line n1
  D. Compilation fails only at line n2
  E. Compilation fails at both line n1 and line n2
  A. 4W 100 Auto 4W 150 Manual

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  Explanation/Reference:

• Question 245:

  Which two are Java Exception classes?

  A. SercurityException
  B. DuplicatePathException
  C. IllegalArgumentException
  D. TooManyArgumentsException
  A. SercurityException
  C. IllegalArgumentException

• Question 246:

  Given the code fragment:

  

  Which two code fragments inserted at line 10 print ****?

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  E. Option E
  E. Option E

  ---

  

  Explanation/Reference:

• Question 247:

  Given the code fragment: What is the result?

  

  A. Reading Card Checking Card
  B. Compilation fails only at line n1.
  C. Compilation fails only at line n2.
  D. Compilation fails only at line n3.
  E. Compilation fails at both line n2 and line n3.
  D. Compilation fails only at line n3.

• Question 248:

  Given the code fragment:

  

  Which two modifications should you make so that the code compiles successfully?

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  E. Option E
  A. Option A
  C. Option C

  ---

  Explanation/Reference:

  Add throws clause in both printFileContent and main.

• Question 249:

  Given:

  public class Marklist {

  int num;

  public static void graceMarks(Marklist obj4) {

  obj4.num += 10;

  }

  public static void main(String[] args) {

  MarkList obj1 = new MarkList();

  MarkList obj2 = obj1;

  MarkList obj1 = null;

  obj2.num = 60;

  graceMarks(obj2);

  }

  }

  How many objects are created in the memory runtime?

  A. 1
  B. 2
  C. 3
  D. 4
  B. 2

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  Explanation/Reference:

  obj1 and obj3.

  when you do e2 = e1 you're copying object references - you're not making a copy of the object - and so the variables e1 and e2 will both point to the same object.

• Question 250:

  Given:

  

  And given the code fragment:

  

  What is the result?

  A. Compilation fails at line n2.
  B. Read Book
  C. Read E-Book
  D. Compilation fails at line n1.
  E. Compilation fails at line n3.
  E. Compilation fails at line n3.