Example Depot

// null is returned if none of the components in this application has the focus Component compFocusOwner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner(); // null is returned if none of the windows in this application has the focus Window windowFocusOwner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusedWindow(); // Use this method to determine whether a particular component has the focus boolean b = component.isFocusOwner();