Oracle Oracle Certifications 1Z0-819 Questions & Answers

• Question 221:

  Given this requirement:

  Module vehicle depends on module part and makes its com.vehicle package available for all other modules.

  Which module-info.java declaration meets the requirement?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: A

• Question 222:

  Given the code fragment:

  

  Which two code snippets inserted independently inside print method print Mondial: domainmodal?

  A. Main.prefix + Main.name

  B. prefix + getName

  C. Main.prefix + Main.getName()

  D. new Main().prefix + new Main().name

  E. prefix + name

  F. prefix + Main.name

  Correct Answer: CD

• Question 223:

  Given: What is the result?

  

  A. It throws a runtime exception.

  B. Value of Euler = 2.71828

  C. The code does not compile.

  D. Value of Euler = "2.71828"

  Correct Answer: C

• Question 224:

  What is the result?

  

  A. 357

  B. 35

  C. 235

  D. 2357

  E. An ArrayIndexOutOfBoundsException is thrown at runtime.

  Correct Answer: A

• Question 225:

  Given:

  

  Which two statements are valid to be written in this interface? (Choose two.)

  A. public String methodD();

  B. public int x;

  C. final void methodG(){ System.out.println("G"); }

  D. final void methodE();

  E. public abstract void methodB();

  F. public void methodF(){ System.out.println("F") ; }

  G. private abstract void methodC();

  Correct Answer: AE

• Question 226:

  Given:

  

  Examine these requirements:

  Eliminate code duplication.

  Keep constant the number of methods other classes may implement from this interface.

  Which method can be added to meet these requirements?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: B

• Question 227:

  Given the code fragment:

  

  How many lines of text does this program print?

  A. four

  B. one

  C. three

  D. two

  Correct Answer: D

• Question 228:

  Given:

  

  What must be added in line 1 to compile this class?

  A. catch(IOException e) { }

  B. catch(FileNotFoundException | IndexOutOfBoundsException e) { }

  C. catch(FileNotFoundException | IOException e) { }

  D. catch(IndexOutOfBoundsException e) { }catch(FileNotFoundException e) { }

  E. catch(FileNotFoundException e) { }catch(IndexOutOfBoundsException e) { }

  Correct Answer: A

• Question 229:

  Given:

  

  What is the result?

  A. Take extra care

  B. The program prints nothing.

  C. Take extra care

  D. An exception is thrown at runtime

  Correct Answer: D

• Question 230:

  Given:

  

  If file "App.config" is not found, what is the result?

  A. Configuration is OK

  B. The compilation fails.

  C. Exception in thread "main" java.lang.Error:Fatal Error: Configuration File, App.config, is missing.

  D. nothing

  Correct Answer: B