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src/java.xml/share/classes/javax/xml/xpath/package.html
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<a name="XPath.Use"></a>
<h3>5. Using the XPath API</h3>
Consider the following XML document:
- <p>
<blockquote>
<pre>
<widgets>
<widget>
<manufacturer/>
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<p>
The XPath 1.0 Number data type is defined as a double. However, the XPath
specification also provides functions that returns Integer type. To facilitate
such operations, the XPath API allows Integer and Long to be used in
{@code evaluateExpression} method such as the following code:
- <p>
<blockquote>
<pre>
int count = xpath.evaluate("count(/widgets/widget)", document, Integer.class);
</pre>
</blockquote>
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