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Consider the following code snippet: public class Vehicle { . . . public void setVehicleClass(double numberAxles) { . . . } } public class Motorcycle extends Vehicle { . . . public void setVehicleClass(double numberAxles) { . . . } } Which of the following statements is correct?

What is the name of a class that has only accessor methods and no mutators methods?

What mechanism is used by a class that is designed to collect and store a growing set of values?

Consider the following class: public class BowlingGame implements Comparable { private int score; // other methods go here public int compareTo(Object otherObject) { BowlingGame otherGame = (BowlingGame) otherObject; __________________________________; } } What statement can be used to complete the compareTo() method?

Given the following class code: public class RecurseSample { public static void main(String[] args) { System.out.println(recurse(3)); } public static int recurse(int n) { int total = 0; if (n == 0) { return 0; } else { total = 3 + recurse(n – 1); } return total; } } What values will be printed when this code is executed?

Consider the method in the following code snippet: public void getRewardPoints() { System.out.println(“Your Reward Points balance is now “ + pointBalance); } Which of the following statements would not be a valid criticism of the design of this method?

Select an appropriate expression to complete the following method, which is designed to visit the elements in theList and replace each occurrence of the string “hello” with the string “goodbye”. public static void helloGoodbye(LinkedList theList) { ListIterator iterator = theList.listIterator(); while (iterator.hasNext()) { if (iterator.next().equals(“hello”)) { _____________________________ } } }

The use of the static keyword in a method declaration implies which of the following?

Complete the code for the calcPower recursive method shown below, which is intended to raise the base number passed into the method to the exponent power passed into the method: public static int calcPower(int baseNum, int exponent) { int answer = 0; ________________________ { answer = 1; } else { answer = baseNum * calcPower (baseNum, exponent – 1); } return answer; }

Suppose an object is intended to store its current position in a 2D array using private instance variables: private int row; private int column; Which code represents a method that would move the current position of the object one column to the right on the grid?