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<h1 class="topictitle1">Creating bottom-up Web services</h1>
<div><p>Web services can be created using two methods: top-down development
and bottom-up development. Bottom-up Web services development involves creating
a Web service from a Java™ bean or enterprise bean.</p>
<p>Although bottom-up Web service development may be faster and easier, especially
if you are new to Web services, the top-down approach is the recommended way
of creating a Web service.</p>
<p>When creating a Web service using a bottom-up approach, first you create
a Java bean
or EJB bean and then use the Web services wizard to create the WSDL file and
Web service.</p>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="../concepts/cws.html" title="A Web service is a set of related application functions that can be programmatically invoked over the Internet. Businesses can dynamically mix and match Web services to perform complex transactions with minimal programming. Web services allow buyers and sellers all over the world to discover each other, connect dynamically, and execute transactions in real time with minimal human interaction.">Web services overview</a></div>
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<div class="linklist"><strong>Related Concepts</strong><br />
<div><a href="cws.html" title="A Web service is a set of related application functions that can be programmatically invoked over the Internet. Businesses can dynamically mix and match Web services to perform complex transactions with minimal programming. Web services allow buyers and sellers all over the world to discover each other, connect dynamically, and execute transactions in real time with minimal human interaction.">Web services overview</a></div>
<div><a href="cwsinwsa.html" title="">Tools for Web services development</a></div>
<div><a href="cwstopdown.html" title="Web services can be created using two methods: top-down development and bottom-up development. Top-down Web services development involves creating a Web service from a WSDL file.">Creating top-down Web
services</a></div></div>
<div class="linklist"><strong>Related Tasks</strong><br />
<div><a href="../tasks/toverws.html" title="Use Web services tools to discover, create, and publish Web services that are created from Java beans, enterprise beans, and WSDL files. You can create of Web services using a top-down approach (which starts with a WSDL file) or a bottom-up approach (which starts with a Java bean or EJB)."> Developing Web
services</a></div></div>
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