d>Depends on the implementation. For instance JdbcDataSource returns
         an Iterator&lt;Map &lt;String,Object&gt;&gt;</dd></dl>
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<h4>finalize</h4>
<pre>protected&nbsp;void&nbsp;finalize()
                 throws <a href="http://download.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a></pre>
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<dt><strong>Overrides:</strong></dt>
<