Package Summary Overview Summary

### class:JTabbedPane [NONE]
- All Implemented Interfaces: ImageObserver, MenuContainer, Serializable, Accessible, SwingConstants
      public class JTabbedPane
      extends JComponent
      implements Serializable, Accessible, SwingConstants
  A component that lets the user switch between a group of components by clicking on a tab with a given title and/or icon. For examples and information on using tabbed panes see How to Use Tabbed Panes , a section in The Java Tutorial . Tabs/components are added to a `TabbedPane` object by using the `addTab` and `insertTab` methods. A tab is represented by an index corresponding to the position it was added in, where the first tab has an index equal to 0 and the last tab has an index equal to the tab count minus 1. The `TabbedPane` uses a `SingleSelectionModel` to represent the set of tab indices and the currently selected index. If the tab count is greater than 0, then there will always be a selected index, which by default will be initialized to the first tab. If the tab count is 0, then the selected index will be -1. The tab title can be rendered by a `Component`. For example, the following produce similar results:
       // In this case the look and feel renders the title for the tab.
       tabbedPane.addTab("Tab", myComponent);
       // In this case the custom component is responsible for rendering the
       // title of the tab.
       tabbedPane.addTab(null, myComponent);
       tabbedPane.setTabComponentAt(0, new JLabel("Tab"));
The latter is typically used when you want a more complex user interaction that requires custom components on the tab. For example, you could provide a custom component that animates or one that has widgets for closing the tab. If you specify a component for a tab, the `JTabbedPane` will not render any text or icon you have specified for the tab. Note: Do not use `setVisible` directly on a tab component to make it visible, use `setSelectedComponent` or `setSelectedIndex` methods instead. Warning: Swing is not thread safe. For more information see Swing's Threading Policy . Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the `java.beans` package. Please see `XMLEncoder`. Since: 1.2 See Also: `SingleSelectionModel`

### field:WRAP_TAB_LAYOUT [NONE]
- #### WRAP_TAB_LAYOUT
      public static final int WRAP_TAB_LAYOUT
The tab layout policy for wrapping tabs in multiple runs when all tabs will not fit within a single run. See Also: Constant Field Values

### field:SCROLL_TAB_LAYOUT [NONE]
- #### SCROLL_TAB_LAYOUT
      public static final int SCROLL_TAB_LAYOUT
Tab layout policy for providing a subset of available tabs when all the tabs will not fit within a single run. If all the tabs do not fit within a single run the look and feel will provide a way to navigate to hidden tabs. See Also: Constant Field Values

### field:tabPlacement [NONE]
- #### tabPlacement
      protected int tabPlacement
Where the tabs are placed. See Also: `setTabPlacement(int)`

### field:model [NONE]
- #### model
      protected SingleSelectionModel model
The default selection model

### field:changeListener [NONE]
- #### changeListener
      protected ChangeListener changeListener
The `changeListener` is the listener we add to the model.

### field:changeEvent [NONE]
- #### changeEvent
      protected transient ChangeEvent changeEvent
Only one `ChangeEvent` is needed per `TabPane` instance since the event's only (read-only) state is the source property. The source of events generated here is always "this".

### constructor:JTabbedPane() [NONE]
- #### JTabbedPane
      public JTabbedPane()
Creates an empty `TabbedPane` with a default tab placement of `JTabbedPane.TOP`. See Also: `addTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String)`

### constructor:JTabbedPane(int) [NONE]
- #### JTabbedPane
      public JTabbedPane(int tabPlacement)
Creates an empty `TabbedPane` with the specified tab placement of either: `JTabbedPane.TOP`, `JTabbedPane.BOTTOM`, `JTabbedPane.LEFT`, or `JTabbedPane.RIGHT`. Parameters: `tabPlacement` - the placement for the tabs relative to the content See Also: `addTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String)`

### constructor:JTabbedPane(int, int) [NONE]
- #### JTabbedPane
      public JTabbedPane(int tabPlacement,
                         int tabLayoutPolicy)
Creates an empty `TabbedPane` with the specified tab placement and tab layout policy. Tab placement may be either: `JTabbedPane.TOP`, `JTabbedPane.BOTTOM`, `JTabbedPane.LEFT`, or `JTabbedPane.RIGHT`. Tab layout policy may be either: `JTabbedPane.WRAP_TAB_LAYOUT` or `JTabbedPane.SCROLL_TAB_LAYOUT`. Parameters: `tabPlacement` - the placement for the tabs relative to the content `tabLayoutPolicy` - the policy for laying out tabs when all tabs will not fit on one run Throws: `IllegalArgumentException` - if tab placement or tab layout policy are not one of the above supported values Since: 1.4 See Also: `addTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String)`

### method:getUI() [NONE]
- #### getUI
      public TabbedPaneUI getUI()
Returns the UI object which implements the L&F for this component. Returns: a `TabbedPaneUI` object See Also: `setUI(javax.swing.plaf.TabbedPaneUI)`

### method:setUI(javax.swing.plaf.TabbedPaneUI) [NONE]
- #### setUI
      public void setUI(TabbedPaneUI ui)
Sets the UI object which implements the L&F for this component. Parameters: `ui` - the new UI object See Also: `UIDefaults.getUI(javax.swing.JComponent)`

### method:updateUI() [NONE]
- #### updateUI
      public void updateUI()
Resets the UI property to a value from the current look and feel. Overrides: `updateUI` in class `JComponent` See Also: `JComponent.updateUI()`

### method:getUIClassID() [NONE]
- #### getUIClassID
      public String getUIClassID()
Returns the name of the UI class that implements the L&F for this component. Overrides: `getUIClassID` in class `JComponent` Returns: the string "TabbedPaneUI" See Also: `JComponent.getUIClassID()`, `UIDefaults.getUI(javax.swing.JComponent)`

### method:createChangeListener() [NONE]
- #### createChangeListener
      protected ChangeListener createChangeListener()
Subclasses that want to handle `ChangeEvents` differently can override this to return a subclass of `ModelListener` or another `ChangeListener` implementation. Returns: a `ChangeListener` See Also: `fireStateChanged()`

### method:addChangeListener(javax.swing.event.ChangeListener) [NONE]
- #### addChangeListener
      public void addChangeListener(ChangeListener l)
Adds a `ChangeListener` to this tabbedpane. Parameters: `l` - the `ChangeListener` to add See Also: `fireStateChanged()`, `removeChangeListener(javax.swing.event.ChangeListener)`

### method:removeChangeListener(javax.swing.event.ChangeListener) [NONE]
- #### removeChangeListener
      public void removeChangeListener(ChangeListener l)
Removes a `ChangeListener` from this tabbedpane. Parameters: `l` - the `ChangeListener` to remove See Also: `fireStateChanged()`, `addChangeListener(javax.swing.event.ChangeListener)`

### method:getChangeListeners() [NONE]
- #### getChangeListeners
      public ChangeListener[] getChangeListeners()
Returns an array of all the `ChangeListener`s added to this `JTabbedPane` with `addChangeListener`. Returns: all of the `ChangeListener`s added or an empty array if no listeners have been added Since: 1.4

### method:fireStateChanged() [NONE]
- #### fireStateChanged
      protected void fireStateChanged()
Sends a `ChangeEvent`, with this `JTabbedPane` as the source, to each registered listener. This method is called each time there is a change to either the selected index or the selected tab in the `JTabbedPane`. Usually, the selected index and selected tab change together. However, there are some cases, such as tab addition, where the selected index changes and the same tab remains selected. There are other cases, such as deleting the selected tab, where the index remains the same, but a new tab moves to that index. Events are fired for all of these cases. See Also: `addChangeListener(javax.swing.event.ChangeListener)`, `EventListenerList`

### method:getModel() [NONE]
- #### getModel
      public SingleSelectionModel getModel()
Returns the model associated with this tabbedpane. Returns: the `SingleSelectionModel` associated with this tabbedpane See Also: `setModel(javax.swing.SingleSelectionModel)`

### method:setModel(javax.swing.SingleSelectionModel) [NONE]
- #### setModel
      public void setModel(SingleSelectionModel model)
Sets the model to be used with this tabbedpane. Parameters: `model` - the model to be used See Also: `getModel()`

### method:getTabPlacement() [NONE]
- #### getTabPlacement
      public int getTabPlacement()
Returns the placement of the tabs for this tabbedpane. Returns: an `int` specifying the placement for the tabs See Also: `setTabPlacement(int)`

### method:setTabPlacement(int) [NONE]
- #### setTabPlacement
      public void setTabPlacement(int tabPlacement)
Sets the tab placement for this tabbedpane. Possible values are: `JTabbedPane.TOP` `JTabbedPane.BOTTOM` `JTabbedPane.LEFT` `JTabbedPane.RIGHT` The default value, if not set, is `SwingConstants.TOP`. Parameters: `tabPlacement` - the placement for the tabs relative to the content Throws: `IllegalArgumentException` - if tab placement value isn't one of the above valid values

### method:getTabLayoutPolicy() [NONE]
- #### getTabLayoutPolicy
      public int getTabLayoutPolicy()
Returns the policy used by the tabbedpane to layout the tabs when all the tabs will not fit within a single run. Returns: an `int` specifying the policy used to layout the tabs Since: 1.4 See Also: `setTabLayoutPolicy(int)`

### method:setTabLayoutPolicy(int) [NONE]
- #### setTabLayoutPolicy
      public void setTabLayoutPolicy(int tabLayoutPolicy)
Sets the policy which the tabbedpane will use in laying out the tabs when all the tabs will not fit within a single run. Possible values are: `JTabbedPane.WRAP_TAB_LAYOUT` `JTabbedPane.SCROLL_TAB_LAYOUT` The default value, if not set by the UI, is `JTabbedPane.WRAP_TAB_LAYOUT`. Some look and feels might only support a subset of the possible layout policies, in which case the value of this property may be ignored. Parameters: `tabLayoutPolicy` - the policy used to layout the tabs Throws: `IllegalArgumentException` - if layoutPolicy value isn't one of the above valid values Since: 1.4 See Also: `getTabLayoutPolicy()`

### method:getSelectedIndex() [NONE]
- #### getSelectedIndex
      public int getSelectedIndex()
Returns the currently selected index for this tabbedpane. Returns -1 if there is no currently selected tab. Returns: the index of the selected tab See Also: `setSelectedIndex(int)`

### method:setSelectedIndex(int) [NONE]
- #### setSelectedIndex
      public void setSelectedIndex(int index)
Sets the selected index for this tabbedpane. The index must be a valid tab index or -1, which indicates that no tab should be selected (can also be used when there are no tabs in the tabbedpane). If a -1 value is specified when the tabbedpane contains one or more tabs, then the results will be implementation defined. Parameters: `index` - the index to be selected Throws: `IndexOutOfBoundsException` - if index is out of range `(index < -1 || index >= tab count)` See Also: `getSelectedIndex()`, `SingleSelectionModel.setSelectedIndex(int)`

### method:getSelectedComponent() [NONE]
- #### getSelectedComponent
      public Component getSelectedComponent()
Returns the currently selected component for this tabbedpane. Returns `null` if there is no currently selected tab. Returns: the component corresponding to the selected tab See Also: `setSelectedComponent(java.awt.Component)`

### method:setSelectedComponent(java.awt.Component) [NONE]
- #### setSelectedComponent
      public void setSelectedComponent(Component c)
Sets the selected component for this tabbedpane. This will automatically set the `selectedIndex` to the index corresponding to the specified component. Parameters: `c` - the selected `Component` for this `TabbedPane` Throws: `IllegalArgumentException` - if component not found in tabbed pane See Also: `getSelectedComponent()`

### method:insertTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String, int) [NONE]
- #### insertTab
      public void insertTab(String title,
                            Icon icon,
                            Component component,
                            String tip,
                            int index)
Inserts a new tab for the given component, at the given index, represented by the given title and/or icon, either of which may be `null`. Parameters: `title` - the title to be displayed on the tab `icon` - the icon to be displayed on the tab `component` - the component to be displayed when this tab is clicked. `tip` - the tooltip to be displayed for this tab `index` - the position to insert this new tab (`> 0 and <= getTabCount()` ) Throws: `IndexOutOfBoundsException` - if the index is out of range (`< 0 or > getTabCount()` ) See Also: `addTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String)` , `removeTabAt(int)`

### method:addTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String) [NONE]
- #### addTab
      public void addTab(String title,
                         Icon icon,
                         Component component,
                         String tip)
Adds a `component` and `tip` represented by a `title` and/or `icon`, either of which can be `null`. Cover method for `insertTab`. Parameters: `title` - the title to be displayed in this tab `icon` - the icon to be displayed in this tab `component` - the component to be displayed when this tab is clicked `tip` - the tooltip to be displayed for this tab See Also: `insertTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String, int)` , `removeTabAt(int)`

### method:addTab(java.lang.String, javax.swing.Icon, java.awt.Component) [NONE]
- #### addTab
      public void addTab(String title,
                         Icon icon,
                         Component component)
Adds a `component` represented by a `title` and/or `icon`, either of which can be `null`. Cover method for `insertTab`. Parameters: `title` - the title to be displayed in this tab `icon` - the icon to be displayed in this tab `component` - the component to be displayed when this tab is clicked See Also: `insertTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String, int)` , `removeTabAt(int)`

### method:addTab(java.lang.String, java.awt.Component) [NONE]
- #### addTab
      public void addTab(String title,
                         Component component)
Adds a `component` represented by a `title` and no icon. Cover method for `insertTab`. Parameters: `title` - the title to be displayed in this tab `component` - the component to be displayed when this tab is clicked See Also: `insertTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String, int)` , `removeTabAt(int)`

### method:add(java.awt.Component) [NONE]
- #### add
      public Component add(Component component)
Adds a `component` with a tab title defaulting to the name of the component which is the result of calling `component.getName`. Cover method for `insertTab`. Overrides: `add` in class `Container` Parameters: `component` - the component to be displayed when this tab is clicked Returns: the component See Also: `insertTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String, int)` , `removeTabAt(int)`

### method:add(java.lang.String, java.awt.Component) [NONE]
- #### add
      public Component add(String title,
                           Component component)
Adds a `component` with the specified tab title. Cover method for `insertTab`. Overrides: `add` in class `Container` Parameters: `title` - the title to be displayed in this tab `component` - the component to be displayed when this tab is clicked Returns: the component See Also: `insertTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String, int)` , `removeTabAt(int)`

### method:add(java.awt.Component, int) [NONE]
- #### add
      public Component add(Component component,
                           int index)
Adds a `component` at the specified tab index with a tab title defaulting to the name of the component. Cover method for `insertTab`. Overrides: `add` in class `Container` Parameters: `component` - the component to be displayed when this tab is clicked `index` - the position to insert this new tab Returns: the component See Also: `insertTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String, int)` , `removeTabAt(int)`

### method:add(java.awt.Component, java.lang.Object) [NONE]
- #### add
      public void add(Component component,
                      Object constraints)
Adds a `component` to the tabbed pane. If `constraints` is a `String` or an `Icon`, it will be used for the tab title, otherwise the component's name will be used as the tab title. Cover method for `insertTab`. Overrides: `add` in class `Container` Parameters: `component` - the component to be displayed when this tab is clicked `constraints` - the object to be displayed in the tab See Also: `insertTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String, int)` , `removeTabAt(int)`

### method:add(java.awt.Component, java.lang.Object, int) [NONE]
- #### add
      public void add(Component component,
                      Object constraints,
                      int index)
Adds a `component` at the specified tab index. If `constraints` is a `String` or an `Icon`, it will be used for the tab title, otherwise the component's name will be used as the tab title. Cover method for `insertTab`. Overrides: `add` in class `Container` Parameters: `component` - the component to be displayed when this tab is clicked `constraints` - the object to be displayed in the tab `index` - the position to insert this new tab See Also: `insertTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String, int)` , `removeTabAt(int)`

### method:removeTabAt(int) [NONE]
- #### removeTabAt
      public void removeTabAt(int index)
Removes the tab at `index`. After the component associated with `index` is removed, its visibility is reset to true to ensure it will be visible if added to other containers. Parameters: `index` - the index of the tab to be removed Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `addTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String)` , `insertTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String, int)`

### method:remove(java.awt.Component) [NONE]
- #### remove
      public void remove(Component component)
Removes the specified `Component` from the `JTabbedPane`. The method does nothing if the `component` is null. Overrides: `remove` in class `Container` Parameters: `component` - the component to remove from the tabbedpane See Also: `addTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String)` , `removeTabAt(int)`

### method:remove(int) [NONE]
- #### remove
      public void remove(int index)
Removes the tab and component which corresponds to the specified index. Overrides: `remove` in class `Container` Parameters: `index` - the index of the component to remove from the `tabbedpane` Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `addTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String)` , `removeTabAt(int)`

### method:removeAll() [NONE]
- #### removeAll
      public void removeAll()
Removes all the tabs and their corresponding components from the `tabbedpane`. Overrides: `removeAll` in class `Container` See Also: `addTab(java.lang.String, javax.swing.Icon, java.awt.Component, java.lang.String)` , `removeTabAt(int)`

### method:getTabCount() [NONE]
- #### getTabCount
      public int getTabCount()
Returns the number of tabs in this `tabbedpane`. Returns: an integer specifying the number of tabbed pages

### method:getTabRunCount() [NONE]
- #### getTabRunCount
      public int getTabRunCount()
Returns the number of tab runs currently used to display the tabs. Returns: an integer giving the number of rows if the `tabPlacement` is `TOP` or `BOTTOM` and the number of columns if `tabPlacement` is `LEFT` or `RIGHT`, or 0 if there is no UI set on this `tabbedpane`

### method:getTitleAt(int) [NONE]
- #### getTitleAt
      public String getTitleAt(int index)
Returns the tab title at `index`. Parameters: `index` - the index of the item being queried Returns: the title at `index` Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `setTitleAt(int, java.lang.String)`

### method:getIconAt(int) [NONE]
- #### getIconAt
      public Icon getIconAt(int index)
Returns the tab icon at `index`. Parameters: `index` - the index of the item being queried Returns: the icon at `index` Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `setIconAt(int, javax.swing.Icon)`

### method:getDisabledIconAt(int) [NONE]
- #### getDisabledIconAt
      public Icon getDisabledIconAt(int index)
Returns the tab disabled icon at `index`. If the tab disabled icon doesn't exist at `index` this will forward the call to the look and feel to construct an appropriate disabled Icon from the corresponding enabled Icon. Some look and feels might not render the disabled Icon, in which case it won't be created. Parameters: `index` - the index of the item being queried Returns: the icon at `index` Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `setDisabledIconAt(int, javax.swing.Icon)`

### method:getToolTipTextAt(int) [NONE]
- #### getToolTipTextAt
      public String getToolTipTextAt(int index)
Returns the tab tooltip text at `index`. Parameters: `index` - the index of the item being queried Returns: a string containing the tool tip text at `index` Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` Since: 1.3 See Also: `setToolTipTextAt(int, java.lang.String)`

### method:getBackgroundAt(int) [NONE]
- #### getBackgroundAt
      public Color getBackgroundAt(int index)
Returns the tab background color at `index`. Parameters: `index` - the index of the item being queried Returns: the `Color` of the tab background at `index` Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `setBackgroundAt(int, java.awt.Color)`

### method:getForegroundAt(int) [NONE]
- #### getForegroundAt
      public Color getForegroundAt(int index)
Returns the tab foreground color at `index`. Parameters: `index` - the index of the item being queried Returns: the `Color` of the tab foreground at `index` Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `setForegroundAt(int, java.awt.Color)`

### method:isEnabledAt(int) [NONE]
- #### isEnabledAt
      public boolean isEnabledAt(int index)
Returns whether or not the tab at `index` is currently enabled. Parameters: `index` - the index of the item being queried Returns: true if the tab at `index` is enabled; false otherwise Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `setEnabledAt(int, boolean)`

### method:getComponentAt(int) [NONE]
- #### getComponentAt
      public Component getComponentAt(int index)
Returns the component at `index`. Parameters: `index` - the index of the item being queried Returns: the `Component` at `index` Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `setComponentAt(int, java.awt.Component)`

### method:getMnemonicAt(int) [NONE]
- #### getMnemonicAt
      public int getMnemonicAt(int tabIndex)
Returns the keyboard mnemonic for accessing the specified tab. The mnemonic is the key which when combined with the look and feel's mouseless modifier (usually Alt) will activate the specified tab. Parameters: `tabIndex` - the index of the tab that the mnemonic refers to Returns: the key code which represents the mnemonic; -1 if a mnemonic is not specified for the tab Throws: `IndexOutOfBoundsException` - if index is out of range (`tabIndex` < 0 || `tabIndex` >= tab count) Since: 1.4 See Also: `setDisplayedMnemonicIndexAt(int,int)`, `setMnemonicAt(int,int)`

### method:getDisplayedMnemonicIndexAt(int) [NONE]
- #### getDisplayedMnemonicIndexAt
      public int getDisplayedMnemonicIndexAt(int tabIndex)
Returns the character, as an index, that the look and feel should provide decoration for as representing the mnemonic character. Parameters: `tabIndex` - the index of the tab that the mnemonic refers to Returns: index representing mnemonic character if one exists; otherwise returns -1 Throws: `IndexOutOfBoundsException` - if index is out of range (`tabIndex` < 0 || `tabIndex` >= tab count) Since: 1.4 See Also: `setDisplayedMnemonicIndexAt(int,int)`, `setMnemonicAt(int,int)`

### method:getBoundsAt(int) [NONE]
- #### getBoundsAt
      public Rectangle getBoundsAt(int index)
Returns the tab bounds at `index`. If the tab at this index is not currently visible in the UI, then returns `null`. If there is no UI set on this `tabbedpane`, then returns `null`. Parameters: `index` - the index to be queried Returns: a `Rectangle` containing the tab bounds at `index`, or `null` if tab at `index` is not currently visible in the UI, or if there is no UI set on this `tabbedpane` Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)`

### method:setTitleAt(int, java.lang.String) [NONE]
- #### setTitleAt
      public void setTitleAt(int index,
                             String title)
Sets the title at `index` to `title` which can be `null`. The title is not shown if a tab component for this tab was specified. An internal exception is raised if there is no tab at that index. Parameters: `index` - the tab index where the title should be set `title` - the title to be displayed in the tab Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `getTitleAt(int)`, `setTabComponentAt(int, java.awt.Component)`

### method:setIconAt(int, javax.swing.Icon) [NONE]
- #### setIconAt
      public void setIconAt(int index,
                            Icon icon)
Sets the icon at `index` to `icon` which can be `null`. This does not set disabled icon at `icon`. If the new Icon is different than the current Icon and disabled icon is not explicitly set, the LookAndFeel will be asked to generate a disabled Icon. To explicitly set disabled icon, use `setDisableIconAt()`. The icon is not shown if a tab component for this tab was specified. An internal exception is raised if there is no tab at that index. Parameters: `index` - the tab index where the icon should be set `icon` - the icon to be displayed in the tab Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `setDisabledIconAt(int, javax.swing.Icon)` , `getIconAt(int)`, `getDisabledIconAt(int)`, `setTabComponentAt(int, java.awt.Component)`

### method:setDisabledIconAt(int, javax.swing.Icon) [NONE]
- #### setDisabledIconAt
      public void setDisabledIconAt(int index,
                                    Icon disabledIcon)
Sets the disabled icon at `index` to `icon` which can be `null`. An internal exception is raised if there is no tab at that index. Parameters: `index` - the tab index where the disabled icon should be set `disabledIcon` - the icon to be displayed in the tab when disabled Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `getDisabledIconAt(int)`

### method:setToolTipTextAt(int, java.lang.String) [NONE]
- #### setToolTipTextAt
      public void setToolTipTextAt(int index,
                                   String toolTipText)
Sets the tooltip text at `index` to `toolTipText` which can be `null`. An internal exception is raised if there is no tab at that index. Parameters: `index` - the tab index where the tooltip text should be set `toolTipText` - the tooltip text to be displayed for the tab Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` Since: 1.3 See Also: `getToolTipTextAt(int)`

### method:setBackgroundAt(int, java.awt.Color) [NONE]
- #### setBackgroundAt
      public void setBackgroundAt(int index,
                                  Color background)
Sets the background color at `index` to `background` which can be `null`, in which case the tab's background color will default to the background color of the `tabbedpane`. An internal exception is raised if there is no tab at that index. It is up to the look and feel to honor this property, some may choose to ignore it. Parameters: `index` - the tab index where the background should be set `background` - the color to be displayed in the tab's background Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `getBackgroundAt(int)`

### method:setForegroundAt(int, java.awt.Color) [NONE]
- #### setForegroundAt
      public void setForegroundAt(int index,
                                  Color foreground)
Sets the foreground color at `index` to `foreground` which can be `null`, in which case the tab's foreground color will default to the foreground color of this `tabbedpane`. An internal exception is raised if there is no tab at that index. It is up to the look and feel to honor this property, some may choose to ignore it. Parameters: `index` - the tab index where the foreground should be set `foreground` - the color to be displayed as the tab's foreground Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `getForegroundAt(int)`

### method:setEnabledAt(int, boolean) [NONE]
- #### setEnabledAt
      public void setEnabledAt(int index,
                               boolean enabled)
Sets whether or not the tab at `index` is enabled. An internal exception is raised if there is no tab at that index. Parameters: `index` - the tab index which should be enabled/disabled `enabled` - whether or not the tab should be enabled Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `isEnabledAt(int)`

### method:setComponentAt(int, java.awt.Component) [NONE]
- #### setComponentAt
      public void setComponentAt(int index,
                                 Component component)
Sets the component at `index` to `component`. An internal exception is raised if there is no tab at that index. Parameters: `index` - the tab index where this component is being placed `component` - the component for the tab Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` See Also: `getComponentAt(int)`

### method:setDisplayedMnemonicIndexAt(int, int) [NONE]
- #### setDisplayedMnemonicIndexAt
      public void setDisplayedMnemonicIndexAt(int tabIndex,
                                              int mnemonicIndex)
Provides a hint to the look and feel as to which character in the text should be decorated to represent the mnemonic. Not all look and feels may support this. A value of -1 indicates either there is no mnemonic for this tab, or you do not wish the mnemonic to be displayed for this tab. The value of this is updated as the properties relating to the mnemonic change (such as the mnemonic itself, the text...). You should only ever have to call this if you do not wish the default character to be underlined. For example, if the text at tab index 3 was 'Apple Price', with a mnemonic of 'p', and you wanted the 'P' to be decorated, as 'Apple Price', you would have to invoke `setDisplayedMnemonicIndex(3, 6)` after invoking `setMnemonicAt(3, KeyEvent.VK_P)` . Note that it is the programmer's responsibility to ensure that each tab has a unique mnemonic or unpredictable results may occur. Parameters: `tabIndex` - the index of the tab that the mnemonic refers to `mnemonicIndex` - index into the `String` to underline Throws: `IndexOutOfBoundsException` - if `tabIndex` is out of range (`tabIndex < 0 || tabIndex >= tab count` ) `IllegalArgumentException` - will be thrown if `mnemonicIndex` is >= length of the tab title , or < -1 Since: 1.4 See Also: `setMnemonicAt(int,int)`, `getDisplayedMnemonicIndexAt(int)`

### method:setMnemonicAt(int, int) [NONE]
- #### setMnemonicAt
      public void setMnemonicAt(int tabIndex,
                                int mnemonic)
Sets the keyboard mnemonic for accessing the specified tab. The mnemonic is the key which when combined with the look and feel's mouseless modifier (usually Alt) will activate the specified tab. A mnemonic must correspond to a single key on the keyboard and should be specified using one of the `VK_XXX` keycodes defined in `java.awt.event.KeyEvent` or one of the extended keycodes obtained through `java.awt.event.KeyEvent.getExtendedKeyCodeForChar`. Mnemonics are case-insensitive, therefore a key event with the corresponding keycode would cause the button to be activated whether or not the Shift modifier was pressed. This will update the displayed mnemonic property for the specified tab. Parameters: `tabIndex` - the index of the tab that the mnemonic refers to `mnemonic` - the key code which represents the mnemonic Throws: `IndexOutOfBoundsException` - if `tabIndex` is out of range (`tabIndex < 0 || tabIndex >= tab count` ) Since: 1.4 See Also: `getMnemonicAt(int)`, `setDisplayedMnemonicIndexAt(int,int)`

### method:indexOfTab(java.lang.String) [NONE]
- #### indexOfTab
      public int indexOfTab(String title)
Returns the first tab index with a given `title`, or -1 if no tab has this title. Parameters: `title` - the title for the tab Returns: the first tab index which matches `title`, or -1 if no tab has this title

### method:indexOfTab(javax.swing.Icon) [NONE]
- #### indexOfTab
      public int indexOfTab(Icon icon)
Returns the first tab index with a given `icon`, or -1 if no tab has this icon. Parameters: `icon` - the icon for the tab Returns: the first tab index which matches `icon`, or -1 if no tab has this icon

### method:indexOfComponent(java.awt.Component) [NONE]
- #### indexOfComponent
      public int indexOfComponent(Component component)
Returns the index of the tab for the specified component. Returns -1 if there is no tab for this component. Parameters: `component` - the component for the tab Returns: the first tab which matches this component, or -1 if there is no tab for this component

### method:indexAtLocation(int, int) [NONE]
- #### indexAtLocation
      public int indexAtLocation(int x,
                                 int y)
Returns the tab index corresponding to the tab whose bounds intersect the specified location. Returns -1 if no tab intersects the location. Parameters: `x` - the x location relative to this tabbedpane `y` - the y location relative to this tabbedpane Returns: the tab index which intersects the location, or -1 if no tab intersects the location Since: 1.4

### method:getToolTipText(java.awt.event.MouseEvent) [NONE]
- #### getToolTipText
      public String getToolTipText(MouseEvent event)
Returns the tooltip text for the component determined by the mouse event location. Overrides: `getToolTipText` in class `JComponent` Parameters: `event` - the `MouseEvent` that tells where the cursor is lingering Returns: the `String` containing the tooltip text

### method:paramString() [NONE]
- #### paramString
      protected String paramString()
Returns a string representation of this `JTabbedPane`. This method is intended to be used only for debugging purposes, and the content and format of the returned string may vary between implementations. The returned string may be empty but may not be `null`. Overrides: `paramString` in class `JComponent` Returns: a string representation of this JTabbedPane.

### method:getAccessibleContext() [NONE]
- #### getAccessibleContext
      public AccessibleContext getAccessibleContext()
Gets the AccessibleContext associated with this JTabbedPane. For tabbed panes, the AccessibleContext takes the form of an AccessibleJTabbedPane. A new AccessibleJTabbedPane instance is created if necessary. Specified by: `getAccessibleContext` in interface `Accessible` Overrides: `getAccessibleContext` in class `Component` Returns: an AccessibleJTabbedPane that serves as the AccessibleContext of this JTabbedPane

### method:setTabComponentAt(int, java.awt.Component) [NONE]
- #### setTabComponentAt
      public void setTabComponentAt(int index,
                                    Component component)
Sets the component that is responsible for rendering the title for the specified tab. A null value means `JTabbedPane` will render the title and/or icon for the specified tab. A non-null value means the component will render the title and `JTabbedPane` will not render the title and/or icon. Note: The component must not be one that the developer has already added to the tabbed pane. Parameters: `index` - the tab index where the component should be set `component` - the component to render the title for the specified tab Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` `IllegalArgumentException` - if component has already been added to this `JTabbedPane` Since: 1.6 See Also: `getTabComponentAt(int)`

### method:getTabComponentAt(int) [NONE]
- #### getTabComponentAt
      public Component getTabComponentAt(int index)
Returns the tab component at `index`. Parameters: `index` - the index of the item being queried Returns: the tab component at `index` Throws: `IndexOutOfBoundsException` - if index is out of range `(index < 0 || index >= tab count)` Since: 1.6 See Also: `setTabComponentAt(int, java.awt.Component)`

### method:indexOfTabComponent(java.awt.Component) [NONE]
- #### indexOfTabComponent
      public int indexOfTabComponent(Component tabComponent)
Returns the index of the tab for the specified tab component. Returns -1 if there is no tab for this tab component. Parameters: `tabComponent` - the tab component for the tab Returns: the first tab which matches this tab component, or -1 if there is no tab for this tab component Since: 1.6 See Also: `setTabComponentAt(int, java.awt.Component)` , `getTabComponentAt(int)`