Question: Modify the program of Exercise 24.7 to include a method named deletePerson in class PersonQueries. The method should delete an existing entry in the database.

Modify the program of Exercise 24.7 to include a method named deletePerson in class PersonQueries. The method should delete an existing entry in the database. Provide a Delete Button. When the user presses this Button, an event handler in the controller class should call PersonQueries method deletePerson to remove the currently selected contact, then update the ListView with the current set of entries in the database and select the first entry.

Exercise 24.7

Modify the program to include a method named updatePerson in class PersonQueries. The method should update an existing entry in the database. Provide an Update Button. When the user presses this Button, an event handler in the controller class should call PersonQueries method updatePerson to update the currently displayed contact with the data in the TextFields.

Step by Step Solution

★★★★★

3.44 Rating (151 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

From the question it appears that youre working with a database through Java program which involves the class PersonQueries for manipulating data I as... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Java How To Program Late Objects Questions!

Planning is one of the most important management functions in any business. A front office managers first step in planning should involve determine the departments goals. Planning also includes...

Modify the program to include a method named updatePerson in class PersonQueries. The method should update an existing entry in the database. Provide an Update Button. When the user presses this...

One problem in CAI environments is student fatigue. This can be reduced by varying the computers responses to hold the students attention. Modify the program of Exercise 5.35 so that various comments...

For this assignment you will be modifying the Phone Book application provided in Moodle and recreating it to be an AddressBook application. Use the CreatePhoneBookDB class provided in Moodle and add...

in java 2 4 . 7 ( Address - Book Modification: Update an Existing Entry ) Modify the program in Section 2 4 . 9 to include a method named updatePerson in class PersonQueries. The method should update...

Database Administration CHAPTER OBJECTIVES I Understand the need for and importance of database I ttno'illI the meaning of ACID transaction administralin - Learn the tour 1992 ANSI standard isolation...

all should run as the output shown in attachment without any errors Modify homework2 to include additional functionalities: Modify the existing program. 1. Bank account client a. When creating an...

configure following code and creat mirgration file, need javascript In this exercise, you'll review domain model and configuration code as well as the migration file EF Code First creates from that...

File "Question.java": import javax.swing.JOptionPane; public abstract class Question { static int nQuestions = 0; static int nCorrect = 0; String question; String correctAnswer; abstract String...

Activity: Introduction Page 1 of 6 Terminology Object-oriented Identifiers Compiler Syntax programming Reserved words Interpreter Semantics Java API (class library) Whitespace Source code...

How does Helicobacter pylori cause stomach ulcers?

(a) (b) (c) (d) Miss John, an 18-year old undergraduate is admitted into the female medical ward with a diagnosis of Pelvic Inflammatory Disease Outline four (4) possible causes of this condition (2...

Question 2 3 ( 1 point ) Saved The exchange rate at which a bank will purchase a currency is called a rate. A ) prime B ) buy C ) ask D ) forward

Discuss how economic forces such as macroeconomic conditions and consumer income affect marketing. AppendixLO1

An affine cipher is a version of a mono-alphabetic substitution cipher, in which the letters of an alphabet of size m are first map to the integers in the range 0 to m-1. Subsequently, the integer...

Break the following monoalphabetic substitution cipher. The plaintext, consisting of letters only, is an excerpt from a poem by Lewis Carroll. mvyy bek mnyx n yvjjyr snijrh invq n muvjvdt je n idnvy...

Consider a 50,000-customer video server, where each customer watches three movies per month. Two-thirds of the movies are served at 9 P.M. How many movies does the server have to transmit at once...

O A. Capital flows O B. Direct foreign investment O C. Indirect foreign investment O D. Portfolio Investment O E. Both A and D. occurs when a company from one country makes a physical investment,...

How does the atmosphere get heated?

Accounting information systems have five basic elements. Which of the following would be associated with the human resource process ? Select one : a. Performance evaluations b. Neither payroll...