As part of a bank account implementation, there is an account class and a checking account class. These two classes should be related by: abstract classes composition inheritance both composition and inheritance polymorphism When using OOP, which of the following terms refers to a mechanism for a behavior, basically how its implemented? polymorphism dynamic binding composition inheritance To access an element in an Array object, Use square brackets around an index value. Use the ArrayList’s element() method. Use the ArrayList’s get() method. Individual elements in an ArrayList cant be accessed without doing a sequential query getSequential(), returning every element up to and including the element requested. To access an element in an ArrayList object, Use square brackets around an index value. Use the ArrayList element() method. Use the ArrayList get() method. Individual elements in an ArrayList cant be accessed without doing a sequential query getSequential(), returning every element up to and including the element requested. What term below is defined as a message that tells the program that something has happened? a listener an action an interaction an event Which item below is defined as an object? A String An Array An ArrayList All of the above When a text-box-enter event occurs, which method and parameter are required to handle this type of action? (1 point) actionEvent with an actionperformed parameter actionPerformed with an actionEvent parameter actionListener with an interfaceID parameter windowListener with an eventID parameter Which class includes the setTitle and setSize methods? JWindow JBox JFrame JOptionpane Before utilizing the binary search method, __________ must be done to the array? sorting indexing splitting importing Which layout manager implements a one-compartment layout scheme? BorderLayout FlowLayout GridBagLayout GridLayout GridlessLayout What is the default layout manager for a JFrame window? BorderLayout FlowLayout GridBagLayout GridLayout GridlessLayout To call the superclass constructor, super() must be the first line in a constructor. True False Method overriding is when a method has the same name, same sequence of parameter types, and the same return type as a method in a superclass. True False Type casting, also known as promotion is considered an implicit conversion. True False An abstract method declaration should always be defined as public as it is meant to be inherited into a subclass to be correctly used. True False When using parseInt() to convert a string to a number, NumberFormatException is thrown if a non-integer argument is found. True False enableEdit() is used to allow a user to edit the contents of a JTextField. True False Write the statement to print to the screen the 6th element of the array defined below? Declare and initialize an ArrayList of type Double and call this ArrayList stocks. Assume that this code fragment compiles and runs. What is its output? As always, be precise when showing your output. Assume that this program compiles and runs. Assume that the user enters 5 6 (separated by a space) for input. What is the output? As always, be precise when showing your output. Assume that this program compiles and runs. Assume that the user enters 5 0 (separated by a space) for input. What is the output? As always, be precise when showing your output. Assume that this program compiles and runs. Assume that the user enters 5 six (separated by a space) for input. What is the output? As always, be precise when showing your output. import java.util.Scanner; public class TryCatchQuestion { public static void main(String [] args) { Scanner stdIn = new Scanner(System.in); System.out.println(“Please enter 2 numbers seperated by a space”); try { System.out.println(“Output: ” + stdIn.nextInt() / stdIn.nextInt()); } catch (NumberFormatException e) { System.out.println(“Number Format Exception”); } catch (ArithmeticException e) { System.out.println(“Division by zero”); …
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