CSIS 212 Final Exam ALL ANSWERS 100% CORRECT AID GRADE A+

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Which statement below could be used to simulate the outputs of tossing a quarter to get heads or tails? Suppose randomNumbers is a SecureRandom 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 Which of the following statements is false? 3 out of 3 points 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 A programmer must do the following before using an array: 3 out of 3 points Selected Answer: declare then create the array. • Question 10 [Show More]

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