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This article is part of the [[Querying|Query Portal]].
It shows how to call Java code from XQuery.
The Java Binding [[Querying|query]] feature is an extensibility mechanism which allows
direct calling of Java methods bound as XQuery functions and manipulation of wrapped
Java objects. For using the Java Binding feature , the user needs [[User_Management|admin rights]].<br /> Please note that the namespace URI must be of the form <code>java:fullyQualifiedClassName</code>.<br />The following examples introduce the behavior.
This example uses the java <code>Math</code> class and returns the cosine of an angle:
