JTextComponent
JTextComponent is an abstract class in Java's Swing graphical user interface toolkit. It serves as the base class for all text-editing components in Swing, such as JTextField, JTextArea, and JEditorPane. JTextComponent provides a common set of functionalities for manipulating text, including methods for inserting, deleting, and retrieving text. It also handles text selection, caret management, and provides support for undo/redo operations.
The component's rendering and layout are managed by a UI delegate, allowing for customization of its appearance
Event handling is a crucial aspect of JTextComponent. It fires various events, such as DocumentEvent and CaretEvent,