Web service, wsdl

Hi Guys,

Could anyone give a short and brief explanation the difference between web service and wsdl?

Cause I got source code sample for web service in java source code, but my colleague said it was not web service, he said web service needs to use wsdl.

Please help.
softblessAsked:
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Najam UddinCommented:
Web service is actual component that is hosted on a server and other use it, WSDL is a xml file that describe webservice, it tell what are functions exposed in webservice what type of parameter they accept and type of result they produce.
A webservice gives other this wsdl so that they can implement client components and use service.

http://download.oracle.com/docs/cd/E17802_01/webservices/webservices/reference/tutorials/wsit/doc/Examples_glassfish4.html
Sathish David Kumar NArchitectCommented:
Web services is an web interface if you want to transfer the large amount of data from one network to another network means we go for webservices .

for transfer purpose we want to do 3 thing
SOAP,WSDL and UDDI this compination of three things is WEb services .

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softblessAuthor Commented:
Thanks
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