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## javax.swing.plaf.metal
Class MetalMenuBarUI

    java.lang.Object
      javax.swing.plaf.ComponentUI
          javax.swing.plaf.MenuBarUI
              javax.swing.plaf.basic.BasicMenuBarUI
                  javax.swing.plaf.metal.MetalMenuBarUI

    public class MetalMenuBarUI

extends BasicMenuBarUI

Metal implementation of `MenuBarUI`. This class is responsible for providing the metal look and feel for `JMenuBar`s.

Since:
  1.5
See Also:
  `MenuBarUI`

Field Summary

Fields inherited from class javax.swing.plaf.basic.BasicMenuBarUI
`changeListener, containerListener, menuBar`

Constructor Summary
`MetalMenuBarUI()`

Method Summary
`static ComponentUI` | `createUI(JComponent x)` Creates the `ComponentUI` implementation for the passed in component.
`void` | `installUI(JComponent c)` Configures the specified component appropriate for the metal look and feel.
`void` | `uninstallUI(JComponent c)` Reverses configuration which was done on the specified component during `installUI`.
`void` | `update(Graphics g, JComponent c)` If necessary paints the background of the component, then invokes `paint`.

Methods inherited from class javax.swing.plaf.basic.BasicMenuBarUI
`createChangeListener, createContainerListener, getMaximumSize, getMinimumSize, installDefaults, installKeyboardActions, installListeners, uninstallDefaults, uninstallKeyboardActions, uninstallListeners`

Methods inherited from class javax.swing.plaf.ComponentUI
`contains, getAccessibleChild, getAccessibleChildrenCount, getPreferredSize, paint`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### MetalMenuBarUI

    public MetalMenuBarUI()

Method Detail

### createUI

    public static ComponentUI createUI(JComponent x)

  Creates the `ComponentUI` implementation for the passed in component.

  Parameters:
    `x` - JComponent to create the ComponentUI implementation for
  Returns:
    ComponentUI implementation for `x`
  Throws:
    `NullPointerException` - if `x` is null

### installUI

    public void installUI(JComponent c)

  Configures the specified component appropriate for the metal look and feel.

  Overrides:
    `installUI` in class `BasicMenuBarUI`
  Parameters:
    `c` - the component where this UI delegate is being installed
  Throws:
    `NullPointerException` - if `c` is null.
  See Also:
    `ComponentUI.uninstallUI(javax.swing.JComponent)`, `JComponent.setUI(javax.swing.plaf.ComponentUI)`, `JComponent.updateUI()`

### uninstallUI

    public void uninstallUI(JComponent c)

  Reverses configuration which was done on the specified component during `installUI`.

  Overrides:
    `uninstallUI` in class `BasicMenuBarUI`
  Parameters:
    `c` - the component where this UI delegate is being installed
  Throws:
    `NullPointerException` - if `c` is null.
  See Also:
    `ComponentUI.installUI(javax.swing.JComponent)`, `JComponent.updateUI()`

### update

    public void update(Graphics g,
                       JComponent c)

  If necessary paints the background of the component, then invokes `paint`.

  Overrides:
    `update` in class `ComponentUI`
  Parameters:
    `g` - Graphics to paint to
    `c` - JComponent painting on
  Throws:
    `NullPointerException` - if `g` or `c` is null
  Since:
    1.5
  See Also:
    `ComponentUI.update(java.awt.Graphics, javax.swing.JComponent)`, `ComponentUI.paint(java.awt.Graphics, javax.swing.JComponent)`

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.