Oracle Oracle Database 1Z0-808 Questions & Answers

• Question 21:

  Given the code fragment:

  

  and the requirements of the application:

  1.

  It must display the menu.

  2.

  It must print the option selected.

  3.

  It must continue its execution till it reads `0'.

  Which code fragment can be used to meet the requirements?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: C

• Question 22:

  Which two initialization statements are valid? (Choose two.)

  A. Boolean available = "TRUE":

  B. String tmpAuthor = author, author ="Mc Donald";

  C. Double price = 200D;

  D. Integer pages = 20;

  Correct Answer: CD

  Reference: http://www.functionx.com/java/Lesson06.htm

• Question 23:

  Examine the given definitions:

  

  and the code fragment:

  

  Which statement is true about the implementation of Object-Oriented Programming concepts in the given code?

  A. Polymorphism, abstraction, and encapsulation are implemented.

  B. Only polymorphism and inheritance are implemented.

  C. Polymorphism, inheritance, and abstraction are implemented.

  D. Only inheritance and encapsulation are implemented.

  Correct Answer: A

  The answer should be A as the encapsulation is done by .setPlayers and setting the players list as private, thus hiding the data. There is no inheritance as Game only implements, but not extends, the interface

• Question 24:

  Given the code fragment:

  

  What is the result?

  A. 2 : 7 : 3

  B. 7 : 7 : 9

  C. 2 : 7 : 0

  D. 7 : 2 : 3

  Correct Answer: D

  

• Question 25:

  Given:

  

  What is the result?

  A. A B C D

  B. A C D

  C. A C D D

  D. A B C C

  E. A B D C

  Correct Answer: C

• Question 26:

  Given: Which action fixes the compiler error?

  

  A. At line 17, add throws AccessViolationException

  B. At line 13, add throws LogFileException

  C. At line 2, replace throws LogFileExceptionwith throws AccessViolationException

  D. At line 7, insert throw new LogFileException ();

  Correct Answer: B

• Question 27:

  Given the code fragment: What is the result?

  

  A. 1 2 3 0 0 1 2 3 0 0

  B. An Exception is thrown at run time.

  C. 1 2 3 0 0 1 2 3

  D. 1 2 3 1 2 3

  Correct Answer: D

  Explanation:

  

• Question 28:

  Examine: Which statement is true?

  

  A. The program prints m1.Accessed.

  B. The program fails compile due to the unhandled E1 exception.

  C. The program prints m2.Accessed.

  D. The program fails to compile due to the unhandled E2 exception.

  Correct Answer: B

  Explanation:

  

• Question 29:

  Given: What is the result?

  

  A. 10

  B. A compile time error occurs

  C. 20

  D. 10

  Correct Answer: B

  

• Question 30:

  Given: Which statement is true?

  

  A. The program executes and prints:

  500.0

  B. Commenting line 16 enables the program to print: Thank You!

  500.0

  C. Commenting line 13 enables the program to print: Thank You!

  500.0

  D. The program executes and prints: Thank You!

  500.0

  Correct Answer: B