&nbsp; &nbsp; Computer.<span class="hljs-keyword">this</span>.serialNumber<br />
	  &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;);<br />
	  &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}<br />
	  &nbsp; &nbsp; &nbsp;}<br />
	  }</code></p>

            <p>Since it may cause confusion, it's better to avoid it and use descriptive variable names.</p>

            <div style="page-break-after:always;"></div>

            <h2>Key Points</h2>

            <ul>
                <li>Inner classes are declared inside anothe