Oracle Oracle Certifications 1Z0-808 Questions & Answers

• Question 71:

  Given the code fragment:

  

  What is the result?

  A. 1 3 5 7 1 3

  B. 1 2 1 3

  C. 1 3 1 3 0 0

  D. 1 3 followed by an ArrayIndexOutOfBoundsException

  E. Compilation fails.

  Correct Answer: B

  

• Question 72:

  Given the code fragment:

  

  What is the result?

  A. A B

  B. A element 0 B element 1

  C. A NullPointerExceptionis thrown at runtime.

  D. A 0 B 1

  Correct Answer: A

• Question 73:

  Which statement is true about the switch statement?

  A. It must contain the default section.

  B. The break statement, at the end of each case block, is optional.

  C. Its case label literals can be changed at runtime.

  D. Its expression must evaluate to a collection of values.

  Correct Answer: B

• Question 74:

  Given:

  

  What is the result?

  A. C B A

  B. C

  C. A B C

  D. Compilation fails at line n1 and line n2

  Correct Answer: A

• Question 75:

  Given this code for the classes MyException and Test: What is the result?

  

  A. A

  B. AB

  C. A compile time error occurs at line n1.

  D. B

  E. I

  Correct Answer: E

• Question 76:

  Given the code fragment:

  

  What is the result?

  A. A B C Work done

  B. A B C D Work done

  C. A Work done

  D. Compilation fails

  Correct Answer: C

• Question 77:

  Given the code fragment:

  

  What is the result?

  A. Compilation fails.

  B. The program compiles, but it prints nothing.

  C. HiHowAreYou removed

  D. An UnsupportedOperationException is thrown at runtime.

  Correct Answer: C

• Question 78:

  Given the code snippet from a compiled Java source file:

  

  and this output:

  

  Which command should you run to obtain this output?

  A. java MyFile 1 2 2

  B. java MyFile 2

  C. java MyFile 1 2 3 4

  D. java MyFile 2 2

  Correct Answer: A

• Question 79:

  Which is true about the switch statement?

  A. Its expression can evaluate to a collection of values.

  B. The break statement, at the end of each case block, is optional.

  C. Its case label literals can be changed at runtime.

  D. It must contain the default section.

  Correct Answer: B

  Reference: https://www.geeksforgeeks.org/switch-statement-in-java/

• Question 80:

  Given the code fragment:

  

  What is the result?

  A. 3

  B. 0

  C. Compilation fails.

  D. -1

  Correct Answer: B