1z0-809 Exam Question 16

Given:

And given the commands:
javac Test . java
java Test
What is the result?
  • 1z0-809 Exam Question 17

    Given the following array:

    Which two code fragments, independently, print each element in this array?
  • 1z0-809 Exam Question 18

    The following grid shows the state of a 2D array:

    This grid is created with the following code:

    Which line of code, when inserted in place of //line n1. adds an x into the grid so that the grid contains three consecutive X'S?
  • 1z0-809 Exam Question 19

    Given the code fragment:
    Map<Integer, String> books = new TreeMap<>();
    books.put (1007, "A");
    books.put (1002, "C");
    books.put (1001, "B");
    books.put (1003, "B");
    System.out.println (books);
    What is the result?
  • 1z0-809 Exam Question 20

    Which two statements are true about synchronization and locks? (Choose two.)