Types Supported by JAX-RPC
Behind the scenes, JAX-RPC maps types of the Java programming language to XML/WSDL definitions. For example, JAX-RPC maps the java.lang.String class to the xsd:string XML data type. Application developers don't need to know the details of these mappings, but they should be aware that not every class in the Java 2 Platform, Standard Edition (J2SE) can be used as a method parameter or return type in JAX-RPC.
J2SE SDK Classes
JAX-RPC supports the following J2SE SDK classes:
java.lang.Boolean java.lang.Byte java.lang.Double java.lang.Float java.lang.Integer java.lang.Long java.lang.Short java.lang.String java.math.BigDecimal java.math.BigInteger java.net.URI java.util.Calendar java.util.Date
Primitives
JAX-RPC supports ...
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