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Exploring the Java Swing Stock Management System

June 22, 2024
Chloe Wong
Chloe Wong
🇨🇦 Canada
Java
Chloe Wong, holding a master's in computer science from the University of British Columbia, has successfully completed over 900 Java assignments. Her proficiency includes array initialization, searching techniques, and exception management. Chloe's meticulous approach and dedication to delivering well-structured solutions make her a trusted expert for students aiming to excel in their programming coursework.
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Key Topics
  • Java Stock Management System GUI: Code Breakdown
  • Block 1: Import Statements
  • Block 2: StockView Class
  • Block 3: StockView Constructor
  • Block 4: Table Initialization
  • Block 5: Button Initialization and Listeners
  • Block 6: Add Button Listener
  • Block 7: Save Button Listener
  • Block 8: Button Panel and Layout
  • Block 9: File Writing in Save Button Listener
  • Block 10: Stock Class
  • Block 11: StockController Class
  • Block 12: Reading Stocks from File in StockController
  • Conclusion

This comprehensive Java code orchestrates a Stock Management System using Java Swing for GUI components. The StockView class extends JFrame and builds a table for displaying stock data. It features functionalities to add stocks dynamically and save the information to a file (stocks.txt). The StockController class manages the interaction between the view and stock data, reading from a file to populate the initial view. The Stock class defines the structure of a stock, encapsulating essential details. Altogether, this code creates an interactive GUI application for managing stock data, seamlessly integrating UI elements, file handling, and dynamic data updates.

Java Stock Management System GUI: Code Breakdown

This Java Swing Stock Management System serves as a robust foundation for handling and displaying stock data in a graphical interface. The StockView class leverages Java Swing components to create an intuitive table, enabling users to dynamically add stocks and save the information to a file. The StockController facilitates seamless communication between the view and data, efficiently reading and populating the view with stock information from a file. The Stock class encapsulates the essential attributes of a stock. Whether you're learning Java or need help with your Java assignment, this code offers a practical example of GUI development, file handling, and object-oriented programming principles, contributing to a comprehensive understanding of Java applications.

Block 1: Import Statements

  • Import necessary Java Swing, AWT, and I/O classes for GUI development, event handling, and file operations.

Block 2: StockView Class

public class StockView extends JFrame { private JTable table; private DefaultTableModel model;

  • The StockView class extends JFrame and initializes components like JTable and DefaultTableModel for displaying stock data.

Block 3: StockView Constructor

public class StockView extends JFrame { private JTable table; private DefaultTableModel model;

  • Constructor initializes the model with columns for Ticker, Name, and Price.

Block 4: Table Initialization

table = new JTable(model); table.setPreferredScrollableViewportSize(new Dimension(400, 200)); JScrollPane scrollPane = new JScrollPane(table);

  • Initializes the JTable, sets its preferred size, and wraps it with a JScrollPane.

Block 5: Button Initialization and Listeners

JButton addButton = new JButton("Add Stocks"); JButton saveButton = new JButton("Save Stocks"); addButton.addActionListener(new ActionListener() { // Add stock button listener }); saveButton.addActionListener(new ActionListener() { // Save stock button listener });

  • Creates "Add Stocks" and "Save Stocks" buttons and adds action listeners to handle button clicks.

Block 6: Add Button Listener

public void actionPerformed(ActionEvent e) { // Prompt user for stock information and add to the table }

  • When the "Add Stocks" button is clicked, prompts the user for stock information and adds a new row to the table.

Block 7: Save Button Listener

public void actionPerformed(ActionEvent e) { // Save stock information to the "stocks.txt" file }

  • When the "Save Stocks" button is clicked, saves the stock information from the table to a file (stocks.txt)

Block 8: Button Panel and Layout

JPanel buttonPanel = new JPanel(); buttonPanel.add(addButton); buttonPanel.add(saveButton); add(scrollPane, BorderLayout.CENTER); add(buttonPanel, BorderLayout.SOUTH);

  • Creates a panel for buttons, adds buttons to it, and sets up the layout with the table and button panel.

Block 9: File Writing in Save Button Listener

// File writing logic } catch (IOException exception) { // Exception handling

  • Inside the "Save Stocks" button listener, writes stock information to the file (stocks.txt) and handles potential IO exceptions.

Block 10: Stock Class

public class Stock { // Stock class definition

  • Defines the Stock class with attributes for Ticker, Name, and Price along with getter and setter methods.

Block 11: StockController Class

public class StockController { private StockView view; public StockController(StockView view) { // Controller constructor }

  • Defines the StockController class, taking a StockView as a parameter in the constructor.

Block 12: Reading Stocks from File in StockController

// Reading stocks from file and adding to view } catch (IOException e) { // Exception handling }

  • In the StockController constructor, reads stocks from the file (stocks.txt) and adds them to the view using the addStock method.

Conclusion

In conclusion, this Java Swing Stock Management System provides a hands-on exploration of GUI development, file handling, and object-oriented programming in Java. Whether you are a student learning Java or seeking assistance with your Java assignment, the code offers practical insights into creating interactive applications. By seamlessly integrating user-friendly interfaces, dynamic data manipulation, and file operations, this project serves as a valuable resource for enhancing Java programming skills. As you navigate through the intricacies of the code, you'll find a comprehensive guide that not only showcases best practices but also empowers you to develop efficient and functional Java applications. Embrace this opportunity to deepen your understanding of Java development while working on a practical and engaging project.

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