What Is SAAJ?

SAAJ stands for "SOAP with Attachments API for Java." With it, you can make Java API calls that generate XML messages which comply with the SOAP 1.1 or 1.2 specifications, as well as the WS-I Basic Profile 1.1 specification. It allows developers to read and write SOAP-based XML messages, and in some cases, to send and receive those messages over the Internet. SAAJ offers an alternative to JAX-RPC or JAX-WS.

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Overview of SAAJ