gives the ability to add a toolbar to a
JApplet in addition to a menubar. While toolbars
are traditionally located below menubars, they are extensions of the
JComponent class and, like
JMenuBar, can be positioned by a Swing layout
manager in any desired location.
Toolbars have the unique ability to tear themselves from their current location and embed their components in a moveable stand-alone window. This gives the user the freedom to drag the toolbar anywhere on the screen. In addition, toolbars can “dock” in locations where the layout manager can support them.
Like the menubar, the
JToolBar class is a container for various
components to be added. You can add any component to the toolbar,
including buttons, combo boxes, and even additional menus. The
toolbar is easier to work with, however, when it uses Swing
When a component is added to the toolbar, it is assigned an integer
index that determines its display order from left to right. While
there is no restriction on the type of component that can be added,
the toolbar will generally look best if it uses components that are
the same vertical height. Note that toolbars have a default border
installed by the L&F. If you don’t like the default, you
can override the border with one of your own using the
setBorder() method. Alternatively, you can
deactivate the drawing of the border by setting the
borderPainted property to
JToolBar has its own separator that inserts a ...