PRG 421 UOP Course,PRG 421 UOP Tutors,PRG 421 UOP Assignments

Question 1

PRG 421 Week 5 Learning Team Connect to a Database
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Answer 1

PRG 421 Week 5 Learning Team Connect to a Database
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Write a program to create a database from the data in the sequential file you created in Week Four.

Modify the GUI to connect to this database and add entries to it and read entries from it. Entries read from the database should be displayed in the JTextArea or JTable.

Test and debug this final program.

Submit the .java source file or files.

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Question 2

PRG 421 Week 5 DQ 2
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Answer 2

PRG 421 Week 5 DQ 2
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What type of mobile app would you find useful? What steps would you take to create and deploy this app?

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Question 3

PRG 421 Week 5 DQ 1
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Answer 3

PRG 421 Week 5 DQ 1
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Conduct an Internet search for JavaDB tutorial. You may choose to use either a text-based or a video tutorial. Follow the steps in the tutorial to learn how to use JavaDB.

Modify one of the demo programs with the JavaDB download to create and manipulate your own database.

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Question 4

PRG 421 Week 4 Individual Pie Chart Applet
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Answer 4

PRG 421 Week 4 Individual Pie Chart Applet
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Write an applet that includes a pie chart.

Use a news article with statistics that are good candidates for a pie chart: for example, political candidate preferences; percentages of those for, against, or undecided about a ballot measure; and so forth.

Cite the source for your input statistics.

Submit the applet along with an HTML file to launch it.

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Question 5

PRG 421 Week 4 DQ 2
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Answer 5

PRG 421 Week 4 DQ 2
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How would you differentiate a website that uses a Java® applet from one that uses JavaScript® code? Locate a website that includes a Java® applet and provide its URL

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Question 6

PRG 421 Week 4 DQ 1
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Answer 6

PRG 421 Week 4 DQ 1
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What are three ways Java® applets enhance network security? Describe how each is used and how it affects security.

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Question 7

PRG 421 Week 3 Learning Team Initial program
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Answer 7

PRG 421 Week 3 Learning Team Initial program
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Create a GUI-based program to accept name of donor, name of charity, and amount of pledge from the user.

Display a list of entries in a JTextArea or JTable.

Submit the .java source file for this program.

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Question 8

PRG 421 Week 3 Individual Contact Information Program
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Answer 8

PRG 421 Week 3 Individual Contact Information Program
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This is a two-part assignment.

Part 1

Design, implement, test, and debug a program with a JFrame that allows the user to enter a series of contacts’ names, ages, e-mail addresses, and cell phone numbers, and creates a file from the entered data. Validate the age entry to ensure that it is numeric and between 0 and 120. Include information for three to five contacts.

Part 2

Design, implement, test, and debug a program that reads the file you created by the list in Part 1 and displays the records in a JFrame. You may either display all entries in the list at once or display them one at a time; the user interface is up to you. Protect against not being able to open the file.

Submit the .java source files.

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Question 9

PRG 421 Week 3 DQ 2
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Answer 9

PRG 421 Week 3 DQ 2
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What are the advantages and disadvantages of sequential and random access files?

Provide an example in which a sequential file is a better choice than a random access file. Explain why.

Provide an example in which a random access file is better than a sequential file. Explain why.

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Question 10

PRG 421 Week 3 DQ 1
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Answer 10

PRG 421 Week 3 DQ 1
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Think of a programming task – other than the individual or team assignments in this course – in which you would choose to use an exception handler. Write the code for the try-catch block. Explain the activity and your code.

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Question 11

PRG 421 Week 2 Individual GUI Components Program Payroll App
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Answer 11

PRG 421 Week 2 Individual GUI Components Program Payroll App
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• Option 2: Payroll Application

Read the instructions in the University Material: GUI Components Program located on the student website and select one option to complete the assignment.

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Question 12

PRG 421 Week 2 DQ 2
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Answer 12

PRG 421 Week 2 DQ 2
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What are advantages of using menus in a GUI application? Design a menu structure for a program you would find useful in your work or hobbies. Write and post the code for the menu creation.

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Question 13

PRG 421 Week 2 DQ 1
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Answer 13

PRG 421 Week 2 DQ 1
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How do arrays and combo boxes work together? Write a small program in which you add the elements of an array to a combo box and post the code for your program.

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Question 14

PRG 421 Week 1 Individual Hello World Program
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Answer 14

PRG 421 Week 1 Individual Hello World Program
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Design, implement, test, and debug a GUI-based version of a “Hello, World!” program.

Create a JFrame that includes a JLabel that reads “Hello, World!”

Use a layout manager of your choice.

Include an Exit button to close the program.

Submit the .java source file.

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Question 15

PRG 421 Week 1 DQ 2
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Answer 15

PRG 421 Week 1 DQ 2
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List two advantages and two disadvantages of using unified modeling language as a standard for object-oriented programs.

What do you feel are the advantages and disadvantages to using Swing versus AWT?

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Question 16

PRG 421 Week 1 DQ 1
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Answer 16

PRG 421 Week 1 DQ 1
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What is an event? How are events and graphical user interfaces (GUIs) related? Provide an example of an event and relate it to a GUI.

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Question 17

PRG 421 Entire Course
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Answer 17

PRG 421 Entire Course
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PRG 421 Week 1 DQ 1

PRG 421 Week 1 DQ 2

PRG 421 Week 1 Individual Hello World Program

PRG 421 Week 2 DQ 1

PRG 421 Week 2 DQ 2

PRG 421 Week 2 Individual GUI Components Program Payroll App

PRG 421 Week 3 DQ 1

PRG 421 Week 3 DQ 2

PRG 421 Week 3 Individual Contact Information Program

PRJ 421 Week 3 Learning Team Initial program

PRG 421 Week 4 DQ 1

PRG 421 Week 4 DQ 2

PRG 421 Week 4 Individual Pie Chart Applet

RG 421 Week 5 DQ 1

PRG 421 Week 5 DQ 2

PRG 421 Week 5 Learning Team Connect to a Database

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