Answered: I have the following JAVA code using…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

I have the following JAVA code using JFRAME:

String[] headers = {"Username", "First Name", "Middle Name", "Last Name"};

JSONArray jsonArray = readJSONFile("src/registration.json");

for (int i = 0; i < jsonArray.size(); i++) {
JSONObject obj = (JSONObject) jsonArray.get(i);

String uName = (String) obj.get("username");
String fName = (String) obj.get("firstName");
String mName = (String) obj.get("middleName");
String lName = (String) obj.get("lastName");

Object[] row = {uName, fName, mName, lName};
tableModel.addRow(row);
}

My code displays data for each registrant in a table format. Please add an action listener to my GUI code that will delete the selected data from the JSON file.

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