1z0-809 Exam Question 26

Given the code fragment:
Path file = Paths.get ("courses.txt"); // line n1
Assume the courses.txt is accessible.
Which code fragment can be inserted at line n1 to enable the code to print the content of
the courses.txt file?
  • 1z0-809 Exam Question 27

    Given:

    And given the code fragment:

    What is the result?
  • 1z0-809 Exam Question 28

    Given the code fragment:

    What is the result?
  • 1z0-809 Exam Question 29

    Given the code fragment:
    List<String> listVal = Arrays.asList("Joe", "Paul", "Alice", "Tom");
    System.out.println (
    // line n1
    );
    Which code fragment, when inserted at line n1, enables the code to print the count of string elements whose length is greater than three?
  • 1z0-809 Exam Question 30

    Given the code fragments:
    class ThreadRunner implements Runnable {
    public void run () { System.out.print ("Runnable") ; }
    }
    class ThreadCaller implements Callable {
    Public String call () throws Exception {return "Callable"; )
    }
    and
    ExecutorService es = Executors.newCachedThreadPool ();
    Runnable r1 = new ThreadRunner ();
    Callable c1 = new ThreadCaller ();
    // line n1
    es.shutdown();
    Which code fragment can be inserted at line n1 to start r1 and c1 threads?