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📁 《Big C++ 》Third Edition电子书和代码全集-Part1

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<h2><font color="#009999">More Patterns (cont.)</font></h2>
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		<th>Pattern Name</th>
		<th>Description</th>
		<th>Example</th>
	</tr>
	<tr>
		<th>Chain of Responsibility</th>
		<td>A request is passed to the first handler in a chain. Each handler acts
			on the request (or chooses not to act), and passes the request on to the
			next handler</td>
		<td>An event-handling mechanism passes a mouse or key event to a component,
			which then passes it to the parent component</td>
	</tr>
	<tr>
	<th>Command</th>
		<td>Commands are implemented as objects</td>
		<td>A word processor stores recently issued commands so that they can be
			undone</td>
	</tr>
	<tr>
		<th>Decorator</th>
		<td>The behavior of a class is enhanced, keeping its interface</td>
		<td>A user interface component is decorated with scroll bars or borders</td>
	</tr>
	<tr>
		<th>Facade</th>
		<td>A complex subsystem is accessed through a single class</td>
		<td>A driver class provides access to the functionality of a database
			system</td>
	</tr>
</table>
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