A Bill Management System is a Java-based desktop application to generate bills for selected goods. This application is developed using the Swing framework and is defined by its user-friendly graphical interface with a dynamic list of items and their price. The user can check the items, selected from this comprehensive list and when the user clicks the "Generate Bill" button, the application calculates the total cost of all selected items and displays an itemized bill. With the help of the Cancel button, it allows the user to clear the selections and reset the display. This application has its modular design in that it initializes item prices; button functionality and a label for bill amount display have also been taken care of to create a smooth flow for the user. Thus, the application has a highly effective and complete Java swing event handling with layout management concerning the billing solution.