Question

Create code within the container that searches the array you created in Week Two. This query must compare the UserID and Password against the information in the array in order to allow user access. Troubleshoot the code and fix any design flaws to ensure the validation portion of the program runs smoothly. Your design can include JButtons and JLabels; however, functionality need not go beyond accessing the program. You will be completing these additional portions of the design in your Week Six assignment. Within the virtual lab environment create a PDF with the following two screenshots:

*The GUI with the request for User ID and Password.

*The GUI after successful user validation completion.

Answer 1

The question involves creating a user authentication system in which a GUI-based program must validate a UserID and Password against an array of stored credentials. It requires adding functionality for the user input and checking it against the array elements, using programming constructs like loops and conditionals. Proper debugging and checking for logical errors are also essential to ensure smooth validation.

Step-by-step explanation:

The student is seeking assistance with a programming task that involves creating a user authentication system. To accomplish this, code is required to search an existing array for a match of both a UserID and a Password. Once a match is found, access is granted. A simple example of such a code in Java, which includes a GUI with JButton for submission and JLabels for input fields, would iterate over the array and compare the input credentials against each stored set of credentials.

Example Code:

// pseudo code for demonstration purposes
// initialize array with user credentials
UserCredentials[] credentials = new UserCredentials[]{new UserCredentials("user1", "pass1"), ...};
// method to validate user
boolean validateUser(String userID, String password) {
for (UserCredentials credential : credentials) {
if (credential.getUserID().equals(userID) && credential.getPassword().equals(password)) {
return true;
}
}
return false;
}

The GUI elements handle the input and upon submission, call the validateUser method. If validation is successful, a message or indicator should notify the user. Debugging involves checking for correct data types, array traversal, and appropriate handling of the validation result. Note, providing actual screenshots and creating a PDF falls beyond the scope of this assistance as it is a user-specific action in their development environment.