![How to Write a Focus Listener (The Java™ Tutorials > Creating a GUI With Swing > Writing Event Listeners) How to Write a Focus Listener (The Java™ Tutorials > Creating a GUI With Swing > Writing Event Listeners)](https://docs.oracle.com/javase/tutorial/figures/uiswing/events/FocusEventDemoWindow.png)
How to Write a Focus Listener (The Java™ Tutorials > Creating a GUI With Swing > Writing Event Listeners)
![How to Use the Focus Subsystem (The Java™ Tutorials > Creating a GUI With Swing > Using Other Swing Features) How to Use the Focus Subsystem (The Java™ Tutorials > Creating a GUI With Swing > Using Other Swing Features)](https://docs.oracle.com/javase/tutorial/figures/uiswing/misc/FocusConceptsDemo.png)
How to Use the Focus Subsystem (The Java™ Tutorials > Creating a GUI With Swing > Using Other Swing Features)
![swing - Typing into a text field then appending it to the text area getting weird output-GUI JAVA - Stack Overflow swing - Typing into a text field then appending it to the text area getting weird output-GUI JAVA - Stack Overflow](https://i.stack.imgur.com/FWtrV.png)
swing - Typing into a text field then appending it to the text area getting weird output-GUI JAVA - Stack Overflow
![java - How do I lay out Input panel with multiple textfields and OK, CANCEL buttons? - Stack Overflow java - How do I lay out Input panel with multiple textfields and OK, CANCEL buttons? - Stack Overflow](https://i.imgur.com/cXgdxG6.jpg)