Oracle 1Z0-819 Online Practice Questions and Exam Preparation

Oracle 1Z0-819 Online Questions & Answers

• Question 211:

  Given the code fragment:

  

  What is the result?

  A. 0 8 10
  C. The code prints nothing.
  D. 0 4 9
  E. 0 8
  E. 0 8

• Question 212:

  Given:

  

  What is the result?

  A. 2,5 4,5 4,5
  B. 2,3 4,3 4,5
  C. 2,3 4,5 4,3
  D. 2,3 4,5 4,5
  A. 2,5 4,5 4,5

• Question 213:

  Given:

  

  What is the result?

  A. 2134
  B. 234
  C. 2341
  D. 214
  B. 234

• Question 214:

  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) { }
  A. catch(IOException e) { }

• Question 215:

  Which two statements are correct about try blocks? (Choose two.)

  A. A try block can have more than one catch block.
  B. A finally block in a try-with-resources statement executes before the resources declared are closed.
  C. A finally block must be immediately placed after the try or catch blocks.
  D. A try block must have a catch block and a finally block.
  E. catch blocks must be ordered from generic to specific exception types.
  A. A try block can have more than one catch block.
  C. A finally block must be immediately placed after the try or catch blocks.

• Question 216:

  Which two statements are correct about modules in Java? (Choose two.)

  A. module-info.java cannot be empty
  B. module-info.java can be placed in any folder inside module-path
  C. By default, modules can access each other as long as they run in the same folder
  D. A module must be declared in module-info.java file
  E. java.base exports all of the Java platforms core packages
  D. A module must be declared in module-info.java file
  E. java.base exports all of the Java platforms core packages

• Question 217:

  Given the code fragment:

  

  What is the result?

  A. 01
  C. 1
  D. The program prints nothing.
  E. It prints 1 in the infinite loop.
  D. The program prints nothing.

• Question 218:

  Given:

  

  What is the result?

  A. A java.util.NoSuchElementException is thrown at run time.
  B. Ans : a
  C. The compilation fails.
  D. Ans :
  A. A java.util.NoSuchElementException is thrown at run time.

• Question 219:

  Given:

  List list1 = new ArrayList<>();

  list1.add("A");

  list1.add("B");

  List list2 = List.copyOf(list1);

  list2.add("C");

  List> list3 = List.of(list1, list2);

  System.out.println(list3);

  What is the result?

  A. [[A, B],[A, B]]
  B. An exception is thrown at run time.
  C. [[A, B], [A, B, C]]
  D. [[A, B, C], [A, B, C]]
  B. An exception is thrown at run time.

• Question 220:

  Given:

  

  Which three statements cause a compiler error when inserted at line l? (Choose three.)

  A. int i = theInstance.three++;
  B. int b = two;
  C. int c = three;
  D. int a = one++;
  E. int f = ExampleInterface.three;
  F. int h = theInstance.two;
  G. int e = ExampleInterface.two++;
  H. int a = ExampleInterface.one;
  I. int g = theInstance.one;
  A. int i = theInstance.three++;
  D. int a = one++;
  G. int e = ExampleInterface.two++;