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It often occurs that multiple wicket behaviors must be used to obtain a certain effect. An example can be a tooltip that requires both a javascript header contribution and an attribute modifier. Another example is that of a confirmation popup when someone clicks on an certain button. Using a composite behavior, which is an example of the composite design pattern, it is posisble possible to realize things like this by adding just a single composite behavior object to a component (e.g. ToolTipBehavior, ConfirmationBehavior) instead of having to add multiple behaviors just to obtain one effect in the user interface. This enhances readability and maintainability of the code.

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