CSIS 212 FINAL EXAM – QUESTION AND ANSWERS (ASSURED A)

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CSIS 212 FINAL EXAM – QUESTION AND ANSWERS (ASSURED A) Which statement below could be used to simulate the outputs of tossing a quarter to get heads or tails? Suppose randomNumbers is a SecureRan... dom object. Selected Answer: randomNumbers.nextInt(2); • Question 2 3 out of 3 points Overloaded methods always have the same _________. Selected Answer: method name • Question 3 3 out of 3 points The identifiers in an enumeration ________. Selected Answer: must be unique. • Question 4 3 out of 3 points Declaring main as static allows the JVM to invoke main ________. Selected Answer: without creating an instance of the class in which main is declared. • Question 5 3 out of 3 points Variables should be declared as fields only if ________. Selected Answer: they are required for use in more than one method or their values must be saved between calls to the class’s methods • Question 6 3 out of 3 points The java.text package contains classes for manipulating all of the following items except ________. Selected Answer: classes • Question 7 3 out of 3 points Which set of statements totals the items in each row of two-dimensional array items, and displays each row’s total?Selected Answer: for (int row = 0; row < items.length; row++) { int total = 0; for (int column = 0; column < items[row].length; column++) { total += items[row][column]; System.out.printf("Row %d's total is %d%n", row, total); } • Question 8 3 out of 3 points Which of the following statements is false? Selected Answer: When an argument is passed by reference, the called method can access the argument’s value in the caller directly but cannot modify it. • Question 9 3 out of 3 points A programmer must do the following before using an array: Selected Answer: declare then create the array. • Question 10 0 out of 3 points How many Book objects are created by the following statement? Book[] books = new Book[10]; Selected Answer: None of the above. [Show More]

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