Programming with Microsoft Visual Basic 2017
8th Edition
ISBN: 9781337102124
Author: Diane Zak
Publisher: Cengage Learning
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Chapter 10, Problem 10RQ
Program Description Answer
The statement used to create an instance of an Inventory object and assign that object to the chair variable is Dim chair As New Inventory.
Hence, the correct answer is option “B”.
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The above screen is used to browse the products table it uses the ProductDAO.java file, it calls the getProductByCriteria() function which should accept a parameter, this parameter should be the criteria that would be built from the two combo boxes and the text box, and queries the products table.The getProductByCriteria() function should return a list of Product objects that matches the criteria specified.
Modify the function so that it accepts a string paramater consisting of the fields from the combo boxes and a price number from the text box separated by commas and use this string to modify the query in the function to return the desired result set.
public List<Product> getProductByCriteria() //MAKE MODIFICATIONS TO THIS FUNCTION SO IT CAN TAKE PARAMETER(S)
{
if (openConnection())
{
try{
List<Product> items = new ArrayList <> ();
Product temp = null;
String…
The final keyword should be used on any instance field, parameter, or local variable that will not or should not change after initialization. This protects against inadvertently changing the value elsewhere in the code.
True/False
3.
Which among the following shows a valid use of the Direction enumeration as a parameter to the moveCharacter function? Select al that apply.
enum Direction { case north, south, west, east}func moveCharacter(x: Int, y: Int, facing: Direction) {// code here}
moveCharacter(x: 0, y: 0, facing: .southwest)
moveCharacter(x: 0, y: 0, facing: Direction.north)
moveCharacter(x: 0, y: 0, facing: .south)
moveCharacter(x: 0, y: 0, facing: Direction.northeast)
Chapter 10 Solutions
Programming with Microsoft Visual Basic 2017
Ch. 10 - The name of a class file ends with which of the...Ch. 10 - The Inventory class contains a Private variable...Ch. 10 - Prob. 4RQCh. 10 - Which of the following statements is false? a. A...Ch. 10 - A Private variable in a class can be accessed...Ch. 10 - Prob. 7RQCh. 10 - Which of the following is the name of the...Ch. 10 - Prob. 10RQCh. 10 - Prob. 11RQCh. 10 - Prob. 12RQ
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- Which of the following is the name of the Inventory class’s default constructor? Inventory InventoryConstructor Default Newarrow_forwardThe Financial officer at RGI wants you to develop an application that will evaluate the company’s asset’s annual depreciation using the double-declining balance and sum-of-the years’ digit method. The Financial officer will enter the asset’s cost, useful life (in years), and salvage value (which is the value of the asset at the end of its useful life). The sample of the application can be seen in Figure 2. The interface provides text boxes for entering the asset cost and salvage value. It also provides a list box for selecting the useful life, which ranges from 3 to 20 years. The depreciation amounts are displayed in the list boxes. (You can use the DDB and SYD functions in Microsoft Excel to verify the amounts shown in Figure 2 are correct). Create a windows form application using the name RGI annual asset depreciation App. You can use the visual basic’s Financial.DDB method to calculate the double-declining balance depreciation and use its Financial.SYD method to calculate the…arrow_forwardThe Financial officer at RGI wants you to develop an application that will evaluate the company's asset's annual depreciation using the double-declining balance and sum-of-the years' digit method. The Financial officer will enter the asset's cost, useful life (in years), and salvage value (which is the value of the asset at the end of its useful life). The sample of the application can be seen in Figure 2. The interface provides text boxes for entering the asset cost and salvage value. It also provides a list box for selecting the useful life, which ranges from 3 to 20 years. The depreciation amounts are displayed in the list boxes. (You can use the DDB and SYD functions in Microsoft Excel to verify the amounts shown in Figure 2 are correct). Create a windows form application using the name RGI annual asset depreciation App. You can use the visual basic's Financial.DDB method to calculate the double-declining balance depreciation and use its Financial.SYD method to calculate the…arrow_forward
- Which of the following instantiates an Inventory object and assigns it to the chair variable? a. Dim chair As Inventory b. Dim chair As New Inventory c. Dim chair = New Inventory d. Dim New chair As Inventoryarrow_forwardHappyTunes is an application for downloading music files. Each time a file is purchased, a transaction record is created that includes the music genre and price paid. The available genres are Classical, Easy Listening, Jazz, Pop, Rock, and Other. Develop an application that accepts input data for each transaction and displays a report that lists each of the music genres, along with a count of the number of downloads in each of the following price categories: Over $10.00 $6.00 through $9.99 $3.00 through $5.99 Under $3.00arrow_forwardThe Financial officer at RGI wants you to develop an application that will evaluate the company's asset's annual depreciation using the double-declining balance and sum-of-the years' digit method. The Financial officer will enter the asset's cost, useful life (in years), and salvage value (which is the value of the asset at the end of its useful life). The sample of the application can be seen in Figure 2. The interface provides text boxes for entering the asset cost and salvage value. It also provides a list box for selecting the useful life, which ranges from 3 to 20 years. The depreciation amounts are displayed in the list boxes. (You can use the DDB and SYD functions in Microsoft Excel to verify the amounts shown in Figure 2 are correct). Create a windows form application using the name RGI annual asset depreciation App. You can use the visual basic's Financial.DDB method to calculate the double-declining balance depreciation and use its Financial.SYD method to calculate the…arrow_forward
- Which keyword should be used in order to supply a reference parameter?arrow_forwardWhich keyword is used to provide a reference parameter?arrow_forwardA computer store uses a database to track inventory. The database has a table named Inventory, with the following columns: ProductID INTEGER PRIMARY KEY NOT NULL ProductName TEXT QtyOnHand INTEGER Cost REAL Also assume that the cur variable references a Cursor object for the database. Write Python code that does the following: Executes a SELECT statement to return all the columns from the rows where Cost is less than 999.99. Assigns all the results of the SELECT statement to a variable named results.arrow_forward
- Which keyword is used in order to provide a reference parameter?arrow_forwardIn order for a player to navigate your game, you will need to develop a function or functions using Python script. Your function or functions should do the following: Show the player the different commands they can enter (such as “go North”, “go West”, and “get [item Name]”). Show the player’s status by identifying the room they are currently in, showing a list of their inventory of items, and displaying the item in their current room. You could make these separate functions or part of a single function, depending on how you prefer to organize your code.arrow_forwardIn order for a player to navigate your game, you will need to develop a function or functions using Python script. Your function or functions should do the following: Show the player the different commands they can enter (such as “go North”, “go West”, and “get [item Name]”). Show the player’s status by identifying the room they are currently in, showing a list of their inventory of items, and displaying the item in their current room. You could make these separate functions or part of a single function, depending on how you prefer to organize your code. Sample function showing the goal of the game and move commands def show_instructions(): #print a main menu and the commands print("Dragon Text Adventure Game") print("Collect 6 items to win the game, or be eaten by the dragon.") print("Move commands: go South, go North, go East, go West") print("Add to Inventory: get 'item name'") The blue image is an example of how the code should look. The map image is the map your code should…arrow_forward
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