Question 6

Given the content of the employee.txt file:
Every worker is a master.
Given that the employee.txt file is accessible and the file allemp.txt does NOT exist, and the code fragment:

What is the result?
  • Question 7

    Given:
    class RateOfInterest {
    public static void main (String[] args) {
    int rateOfInterest = 0;
    String accountType = "LOAN";
    switch (accountType) {
    case "RD";
    rateOfInterest = 5;
    break;
    case "FD";
    rateOfInterest = 10;
    break;
    default:
    assert false: "No interest for this account"; //line n1
    }
    System.out.println ("Rate of interest:" + rateOfInterest);
    }
    }
    and the command:
    java -ea RateOfInterest
    What is the result?
  • Question 8

    Given:
    public class Customer {
    private String fName;
    private String lName;
    private static int count;
    public customer (String first, String last) {fName = first, lName =
    last;
    ++count;}
    static { count = 0; }
    public static int getCount() {return count; }
    }
    public class App {
    public static void main (String [] args) {
    Customer c1 = new Customer("Larry", "Smith");
    Customer c2 = new Customer("Pedro", "Gonzales");
    Customer c3 = new Customer("Penny", "Jones");
    Customer c4 = new Customer("Lars", "Svenson");
    c4 = null;
    c3 = c2;
    System.out.println (Customer.getCount());
    }
    }
    What is the result?
  • Question 9

    Given the code fragment:

    Which code fragment, when inserted at line n1, enables the code to print /First.txt?
  • Question 10

    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?