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<font face="verdana" size="-2"><b>JDK 5.0 only.</b></font><br>
<font face="verdana" size="-1">Signals places where an unchecked warning is issued
by the compiler, for example:</font>
<pre><code>void f(HashMap map) {
      map.put("key", "value");
}
  </code>
    </pre>
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