JavaFX Events and Event handling exercises
Java Events and Event Handling Exercises [16 exercises with solution]
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Handling mouse and keyboard events:
1. Display Mouse Coordinates on Move
Write a JavaFX program application that detects and displays mouse coordinates when moved over the application window.
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2. Detect Left Mouse Click
Write a JavaFX program that listens for mouse clicks and displays a message when the left mouse button is clicked.
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3. Display Key Pressed by Keyboard
Write a JavaFX application that responds to keyboard input and displays the key pressed.
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4. Change Background with Key Combination
Write a JavaFX application that changes the background color of a window based on a combination of keys pressed (e.g., Ctrl+Alt+O changes the background to orange).
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Action Events and Event Listeners:
5. Button Click Console Message
Write a JavaFX form with a button. Implement an event listener to display a message to the console when the button is clicked.
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6. Simple Calculator with Button Events
Write a JavaFX program to build a simple calculator with digit buttons (0-9) and basic arithmetic operator buttons (+, -, *, /). Implement action listeners for each button (digits and operators) to perform calculations.
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7. Shopping Cart with Item Buttons
Write a JavaFX application that simulates a shopping cart. Add items with buttons, and implement action listeners to update the cart when an item is added.
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8. Login Form with Action Listener
Write a JavaFX login form. Implement an action listener on the "Login" button to validate user credentials.
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Event Propagation and Event Filters:
9. Nested Panes Event Filtering
Write a JavaFX application with multiple nested panes. Implement event filters to capture and log the event flow when an action occurs.
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10. Tree UI with Event Propagation
Write a JavaFX application that creates a tree-like JavaFX UI with branches and leaves. Use event propagation to determine which branch or leaf was clicked on.
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11. Game Event Propagation and Filtering
Write a JavaFX program that builds a game where events propagate through various elements. Use event filters to handle game events efficiently.
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12. Drawing App with Shape Events
Write a JavaFX program to develop a drawing application with shapes. Implement event filters to detect and respond to user interactions with shapes.
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Creating Custom Event Handlers:
13. Traffic Light Custom Events
Write a JavaFX application with custom events representing different traffic light signals (e.g., Red, Yellow, Green). Create custom event handlers to handle color change messages.
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14. Virtual Pet with Custom Event Handlers
Write a JavaFX application for a virtual pet. Implement custom events and event handlers for actions like feeding, playing, and petting the virtual pet.
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15. Chat App with Custom Messaging Events
Write a JavaFX program that creates a chat application. Define custom events for sending and receiving messages and implement custom event handlers for message handling.
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16. Stock Trading Simulator with Events
Write a JavaFX program to develop a stock trading simulator. Create custom events for stock price changes and use custom event handlers to simulate trading decisions.
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Java Code Editor:
More to Come !
Do not submit any solution of the above exercises at here, if you want to contribute go to the appropriate exercise page.