You will be implementing a to-do list application based on t…
Questions
Yоu will be implementing а tо-dо list аpplicаtion based on the UML diagram from Figure 1 below. Please take the time to read and understand the UML diagram along with the instructions carefully. You will be implementing the fields and methods the UML diagram but in addition to that feel free to add other field/methods as needed. Figure1 InstructionsThe following applies when implementing the methods from the Task interface: The add() method will add a new item to the items list based on the parameters passed. The item will be added only if the id is a positive number, and name and description are not null. If an item with the same id already exists, the item cannot be added. This method will return true if the item was added successfully or else return false. The remove() method will find the item matching the id passed in as the parameter from the items list. This method will return true if the item was successfully removed, else return false. The edit() method will replace the item matching the id passed in as the parameter. The item will only be replaced if the name and description are not null. This method will return true if the item was successfully replaced, else return false. The displayAll() method will display all of the items in the to-do list. If the to-do list had two items, calling displayAll() will produce an output that looks something like this: Id: 1, Name: Buy milk, Description: Go to Target and buy milkId: 2, Name: Get nails, Description: Go to Home Depot and look for nails You will need to implement the classes/interface based on the UML diagram above. You need to implement the methods and other members exactly like how I have described in the UML diagram. In addition to what I have in the UML diagram, you are free to add anything you like on the classes. The following applies to the Driver class: When the program first runs, you will display the following to the user and get an input: 1 – Add a new item.2 – Remove an item.3 – Show all items.4 – Edit an item.0 – Quit.Enter your option: | If the user enters anything other than 1, 2, 3, 4 or 0, you will output "Invalid input!" and re-display the menu from #1 above. If the user enters 1, you will prompt the user to provide the id, name and description. Using the inputs from the user, you will attempt to add a new item. If the item is added successfully, you will output "Item successfully added." else output "Item could not be added.". If the user enters 2, you will prompt the user to provide the id of the item to remove. If the item was removed successfully, you will output "Item successfully removed." else output "Item could not be removed.". If the user enters 3, your output will look something like this: Current To-Do list:Id: 1, Name: Buy milk, Description: Go to Target and buy milkId: 2, Name: Get nails, Description: Go to Home Depot and look for nails If the user enters 4, you will prompt the user to provide the id, name and description. Using the inputs from the user, you will attempt to modify the item matching the id. If the item is successfully modified, you will output "Item successfully modified." else output "Item could not be modified." If the user enters 0, the application will quit or end. In the steps 3, 4, 5 and 6 above, after you output the appropriate text, you should display the menu from #1. In other words, unless the user quits, you should display the menu after each action is completed. Testing You should test your entire application with various inputs to make sure that it follows the rules from the Instructions section above. You need to test the add, remove, edit, and displayAll methods. Here is an example of how to test the add feature. Once your application is running, do the following: Enter 1 to add a new item. Provide the following information when prompted: (0, Buy Milk, Go to Target.) You should see the output "Item could not be added." Enter 1 to add a new item. Provide the following information when prompted: (1, Buy Milk, Go to Target.) You should see the output "Item successfully added." Submission Place all of the files (only the files with .java extension) needed to run this program in a single zip file. Do not include any other files or folder. I will deduct 5 points if there are any unnecessary files or folders. The zip file must be named in the format lastname_firstname_midterm.zip. For example using my name it would be shrestha_gaurav_midterm.zip
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