Uses of Class java.awt.event.FocusEvent (Java SE 9 & JDK 9 )

## Uses of Class
java.awt.event.FocusEvent

- Packages that use FocusEvent
  Package | Description
  --- | ---
  java.awt | Contains all of the classes for creating user interfaces and for painting graphics and images.
  java.awt.event | Provides interfaces and classes for dealing with different types of events fired by AWT components.
  javax.swing | Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
  javax.swing.plaf | Provides one interface and many abstract classes that Swing uses to provide its pluggable look-and-feel capabilities.
  javax.swing.plaf.basic | Provides user interface objects built according to the Basic look and feel.
  javax.swing.text | Provides classes and interfaces that deal with editable and noneditable text components.

- - ### Uses of FocusEvent in java.awt

    Methods in java.awt with parameters of type FocusEvent
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | AWTEventMulticaster.`focusGained​(FocusEvent e)` | Handles the focusGained event by invoking the focusGained methods on listener-a and listener-b.
    `void` | Component.AccessibleAWTComponent.AccessibleAWTFocusHandler.`focusGained​(FocusEvent event)` |
    `void` | AWTEventMulticaster.`focusLost​(FocusEvent e)` | Handles the focusLost event by invoking the focusLost methods on listener-a and listener-b.
    `void` | Component.AccessibleAWTComponent.AccessibleAWTFocusHandler.`focusLost​(FocusEvent event)` |
    `protected void` | Component.`processFocusEvent​(FocusEvent e)` | Processes focus events occurring on this component by dispatching them to any registered `FocusListener` objects.

  - ### Uses of FocusEvent in java.awt.event

    Methods in java.awt.event with parameters of type FocusEvent
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | FocusAdapter.`focusGained​(FocusEvent e)` | Invoked when a component gains the keyboard focus.
    `void` | FocusListener.`focusGained​(FocusEvent e)` | Invoked when a component gains the keyboard focus.
    `void` | FocusAdapter.`focusLost​(FocusEvent e)` | Invoked when a component loses the keyboard focus.
    `void` | FocusListener.`focusLost​(FocusEvent e)` | Invoked when a component loses the keyboard focus.

  - ### Uses of FocusEvent in javax.swing

    Methods in javax.swing with parameters of type FocusEvent
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | JComponent.AccessibleJComponent.AccessibleFocusHandler.`focusGained​(FocusEvent event)` | Deprecated.
    `void` | JComponent.AccessibleJComponent.AccessibleFocusHandler.`focusLost​(FocusEvent event)` | Deprecated.
    `protected void` | JFormattedTextField.`processFocusEvent​(FocusEvent e)` | Processes any focus events, such as `FocusEvent.FOCUS_GAINED` or `FocusEvent.FOCUS_LOST`.
    `protected void` | JPopupMenu.`processFocusEvent​(FocusEvent evt)` |

  - ### Uses of FocusEvent in javax.swing.plaf

    Methods in javax.swing.plaf with parameters of type FocusEvent
    Modifier and Type | Method | Description
    --- | --- | ---
    `protected void` | LayerUI.`processFocusEvent​(FocusEvent e, JLayer<? extends V> l)` | Processes focus events occurring on the `JLayer` or any of its subcomponents.

  - ### Uses of FocusEvent in javax.swing.plaf.basic

    Methods in javax.swing.plaf.basic with parameters of type FocusEvent
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | BasicButtonListener.`focusGained​(FocusEvent e)` |
    `void` | BasicComboBoxEditor.`focusGained​(FocusEvent e)` |
    `void` | BasicComboBoxUI.FocusHandler.`focusGained​(FocusEvent e)` |
    `void` | BasicListUI.FocusHandler.`focusGained​(FocusEvent e)` |
    `void` | BasicSliderUI.FocusHandler.`focusGained​(FocusEvent e)` |
    `void` | BasicSplitPaneUI.FocusHandler.`focusGained​(FocusEvent ev)` |
    `void` | BasicTabbedPaneUI.FocusHandler.`focusGained​(FocusEvent e)` |
    `void` | BasicTableUI.FocusHandler.`focusGained​(FocusEvent e)` |
    `void` | BasicToolBarUI.ToolBarFocusListener.`focusGained​(FocusEvent e)` |
    `void` | BasicTreeUI.FocusHandler.`focusGained​(FocusEvent e)` | Invoked when focus is activated on the tree we're in, redraws the lead row.
    `void` | BasicButtonListener.`focusLost​(FocusEvent e)` |
    `void` | BasicComboBoxEditor.`focusLost​(FocusEvent e)` |
    `void` | BasicComboBoxUI.FocusHandler.`focusLost​(FocusEvent e)` |
    `void` | BasicListUI.FocusHandler.`focusLost​(FocusEvent e)` |
    `void` | BasicSliderUI.FocusHandler.`focusLost​(FocusEvent e)` |
    `void` | BasicSplitPaneUI.FocusHandler.`focusLost​(FocusEvent ev)` |
    `void` | BasicTabbedPaneUI.FocusHandler.`focusLost​(FocusEvent e)` |
    `void` | BasicTableUI.FocusHandler.`focusLost​(FocusEvent e)` |
    `void` | BasicToolBarUI.ToolBarFocusListener.`focusLost​(FocusEvent e)` |
    `void` | BasicTreeUI.FocusHandler.`focusLost​(FocusEvent e)` | Invoked when focus is activated on the tree we're in, redraws the lead row.

  - ### Uses of FocusEvent in javax.swing.text

    Methods in javax.swing.text with parameters of type FocusEvent
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | DefaultCaret.`focusGained​(FocusEvent e)` | Called when the component containing the caret gains focus.
    `void` | DefaultCaret.`focusLost​(FocusEvent e)` | Called when the component containing the caret loses focus.