Codigo Limpo Epub Direct
<div class="tip"> Use pronounceable names: <code>generationTimestamp</code> instead of <code>genTmStmp</code>. </div>
<h3>Small! Really small</h3> <p>An entire function should rarely exceed 20 lines. If you need a comment to explain a block inside a function, extract that block into a new function.</p>
<p>Legal comments, TODO notes, and warnings are acceptable but keep them brief. Avoid commented-out code—delete it. Your VCS history will remember.</p> codigo limpo epub
<h2>3. Comments: Don’t Compensate for Bad Code</h2> <p>The proper use of comments is to explain <em>why</em>, not <em>what</em>. Clear code needs few comments.</p>
<p>Use <strong>Special Case Pattern</strong> instead of returning null:</p> <div class="good"> <pre>class NullUser extends User { String getName() { return "guest"; } boolean isNull() { return true; } }</pre> </div> If you need a comment to explain a
<h2>9. Concurrency: Keep It Simple</h2> <p>Concurrency adds complexity. Mitigate it:</p> <ul> <li>Keep synchronized sections small.</li> <li>Use immutable objects when possible.</li> <li>Document threading semantics.</li> <li>Test concurrency code aggressively with tools like ThreadSanitizer or JCStress.</li> </ul>
<h3>Switch statements: hide them</h3> <p>Use polymorphism or a factory. A <code>switch</code> with multiple cases usually violates the Single Responsibility Principle.</p> Keep synchronized sections small.<
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