Oracle Oracle Certifications 1Z0-808 Questions & Answers

• Question 121:

  Given the code fragment:

  

  What is the result?

  A. An exception is thrown at runtime.

  B. -1

  C. 5

  D. 0

  Correct Answer: C

• Question 122:

  Given the code fragment:

  

  Which code fragment, inserted at line n1, prints The Top element: 30?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  E. Option E

  Correct Answer: C

• Question 123:

  Given:

  

  What is the result?

  A. c= b = false f = 0.0

  B. c = null b = true f = 0.0

  C. c = 0 b = false f = 0.0f

  D. c = null b = false f = 0.0F

  Correct Answer: A

• Question 124:

  Which three statements are true about exception handling? (Choose three.)

  A. Only unchecked exceptions can be rethrown.

  B. All subclasses of the RuntimeException class are recoverable.

  C. The parameter in a catch block is of Throwable type.

  D. All subclasses of the RuntimeException class must be caught or declared to be thrown.

  E. All subclasses of the Exception class except the RuntimeException class are checked exceptions.

  F. All subclasses of the Error class are checked exceptions and are recoverable.

  Correct Answer: CEF

• Question 125:

  Given: What is the result?

  

  A. 10 : 30 : 6

  B. 10 : 22 : 22

  C. 10 : 22 : 20

  D. 10 : 22 : 6

  Correct Answer: A

• Question 126:

  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.

  Correct Answer: E

• Question 127:

  Given the following class:

  

  Which two changes would encapsulate this class and ensure that the area field is always equal to length * height whenever the Rectangle class is used?

  A. Call the setArea method at the end of the setHeight method.

  B. Call the setArea method at the beginning of the setHeight method.

  C. Call the setArea method at the end of the setLength method.

  D. Call the setArea method at the beginning of the setLength method.

  E. Change the setArea method to private.

  F. Change the area field to public.

  Correct Answer: AC

• Question 128:

  Given the code fragments: What is the result?

  

  A. Compilation fails only at line n2.

  B. RTool::export Tool::export

  C. Tool::export Tool:export

  D. Compilation fails only at line n1.

  E. Compilation fails at both line n1 and line n2.

  Correct Answer: E

• Question 129:

  Which two code fragments causes a compilation error? (Choose two.)

  A. float flt = 100F;

  B. float flt = (float) 1_11.00;

  C. float flt = 100;

  D. double y1 = 203.22; float flt = y1l;

  E. int y2 = 100; float flt = (float) y2;

  Correct Answer: CD

• Question 130:

  Given the following class:

  

  Which three pieces of code, when inserted independently, set the value of amount to 100?

  

  A. B. C. D. E. F.

  Correct Answer: ADE