Oracle 1Z0-819 Online Practice Questions and Exam Preparation

Oracle 1Z0-819 Online Questions & Answers

• Question 271:

  Given the code fragment:

  

  What is the result?

  A. 1
  B. The compilation fails at line
  C. 10
  D. The compilation fails at line 16.
  E. The compilation fails at line 13.
  E. The compilation fails at line 13.

• Question 272:

  Given:

  

  What is the output of this class?

  A. The compilation fails.
  B. [0). D, | 1). i, | 2). a]
  C. [). o, | 1). a, | 2).]
  D. [0). o, | 1). i, | 2). r]
  E. ArrayIndexOutOfBounds Exception is thrown at runtime.
  A. The compilation fails.

• Question 273:

  Given:

  

  How many LocalDate objects are created in this example?

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

• Question 274:

  Assuming the user credentials are correct, which expression will create a Connection?

  A. DriverManager.getConnection("http://database.jdbc.com", "J_SMITH", "dt12%2f3")
  B. DriverManager.getConnection("jdbc:derby:com")
  C. DriverManager.getConnection("jdbc.derby.com")
  D. DriverManager.getConnection()
  E. DriverManager.getConnection("J_SMITH", "dt12%2f3")
  B. DriverManager.getConnection("jdbc:derby:com")

• Question 275:

  Given the code fragment:

  

  Which code fragment replaces the for statement?

  A. IntStream.rangeClosed(l, 100).map(FizzBuzz::convert).forEach(System.out::println);
  B. IntStream.ranged, 100).map(FizzBuzz::convert).forEach(System.out::println);
  C. intstream.rangeclosed(l, 100).mapToObj{FizzBuzz::convert).forEach(System.out::printIn);
  D. IntStream.range(1, 100).mapToObj(FizzBuzz::convert).forEach(System.out::println);
  A. IntStream.rangeClosed(l, 100).map(FizzBuzz::convert).forEach(System.out::println);

• Question 276:

  Given: What is the result?

  

  A. abyssinian oxicat korat laperm bengal sphynx
  B. abyssinian bengal korat laperm oxicat sphynx
  C. sphynx oxicat laperm korat bengal abyssinian
  D. nothing
  C. sphynx oxicat laperm korat bengal abyssinian

• Question 277:

  Given:

  

  and

  

  What is the result?

  A. test:null
  B. test:1
  C. A ClassCastException is thrown at runtime.
  D. null:null
  E. The compilation fails.
  E. The compilation fails.

• Question 278:

  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
  B. The compilation fails.

• Question 279:

  Given:

  String originalPath = "data\\projects\\a-project\\..\\..\\another-project";

  Path path = Paths.get(originalPath);

  System.out.print(path.normalize());

  What is the result?

  A. data\another-project
  B. data\projects\a-project\another-project
  C. data\\projects\\a-project\\..\\..\\another-project
  D. data\projects\a-project\..\..\another-project
  D. data\projects\a-project\..\..\another-project

• Question 280:

  Given:

  

  Which two allow a.Main to allocate a new Person? (Choose two.)

  A. In Line 1, change the access modifier to privateprivate Person() {
  B. In Line 1, change the access modifier to publicpublic Person() {
  C. In Line 2, add extends Person to the Main classpublic class Main extends Person {and change Line 3 to create a new Main objectPerson person = new Main();
  D. In Line 2, change the access modifier to protectedprotected class Main {
  E. In Line 1, remove the access modifierPerson() {
  B. In Line 1, change the access modifier to publicpublic Person() {
  C. In Line 2, add extends Person to the Main classpublic class Main extends Person {and change Line 3 to create a new Main objectPerson person = new Main();