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-<!DOCTYPE html>
-<html><head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
- <link rel="stylesheet" type="text/css" href="../../logi/reset.css" />
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- <meta name="description" content="Spice up your java" />
- <title>EXPERIMENTAL – @var</title>
-</head><body><div id="pepper">
- <div class="minimumHeight"></div>
- <div class="meat">
- <div class="header"><a href="../../index.html">Project Lombok</a></div>
- <h1>@var</h1>
- <div class="byline">Modifiable local variables with a type inferred by assigning value.</div>
- <div class="since">
- <h3>Since</h3>
- <p>
- @var was introduced as experimental feature in lombok v1.16.12.
- </p>
- </div>
- <div class="experimental">
- <h3>Experimental</h3>
- <p>
- Experimental because:
- <ul>
- <li>This feature is very controversial.</li>
- <li>There is <a href="http://openjdk.java.net/jeps/286">JEP 286</a> that should make the @var obsolete.</li>
- </ul>Current status: <em>uncertain</em> - Currently we feel this feature cannot move out of experimental status.
- </div>
- <div class="overview">
- <h3>Overview</h3>
- <p>
- The <code>@var</code> has the same mission as the <a href="../val.html">@val</a> annotation but modifable.
- </p>
- </div>
- <div class="snippets">
- <div class="pre">
- <h3>With Lombok</h3>
- <div class="snippet">@HTML_PRE@</div>
- </div>
- <div class="sep"></div>
- <div class="post">
- <h3>Vanilla Java</h3>
- <div class="snippet">@HTML_POST@</div>
- </div>
- </div>
- <div style="clear: left;"></div>
- <div class="overview confKeys">
- <h3>Supported configuration keys:</h3>
- <dl>
- <dt><code>lombok.val.flagUsage</code> = [<code>allow</code>] (default: not set)</dt>
- <dd><strong>Lombok will flag any usage of <code>var</code> as an error if not configured.</strong></dd>
- </dl>
- </div>
- <div class="overview">
- <h3>Small print</h3><div class="smallprint">
- <p>
- For compound types, the most common superclass is inferred, not any shared interfaces. For example, <code>bool ? new HashSet() : new ArrayList()</code>
- is an expression with a compound type: The result is both <code>AbstractCollection</code> as well as <code>Serializable</code>. The type inferred will be
- <code>AbstractCollection</code>, as that is a class, whereas <code>Serializable</code> is an interface.
- </p><p>
- In ambiguous cases, <code>java.lang.Object</code> is inferred.
- </p>
- </div>
- </div>
- <div class="footer">
- <a href="index.html">Back to experimental features</a> | <span class="disabled">Previous feature</span> | <a href="Accessors.html">Next feature (@Accessors)</a><br />
- <a href="../../credits.html" class="creditsLink">credits</a> | <span class="copyright">Copyright &copy; 2009-2016 The Project Lombok Authors, licensed under the <a href="http://www.opensource.org/licenses/mit-license.php">MIT license</a>.</span>
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