A web service is any piece of software that makes itself available over the internet.
Software applications written in various programming languages and running on various platforms can use web services to exchange data. You can call these services and get so information or functionality in your application without actually having the classes or know how it works. For example weather webservices gives you information about the weather in a country and you don't get in contact with any classes.
Every web service works differently, they use different syntax and rules for communicating. If you wanted to integrate with a particular web service (Facebook, Twitter, etc), you would review the documentation for that service and start writing code from there.
There are mainly two types of web services used in most web applications are SOAP and REST
Examples of Web Services are:
Google Maps API Web Services
Amazon Web Services
eBay Web Services
Software applications written in various programming languages and running on various platforms can use web services to exchange data. You can call these services and get so information or functionality in your application without actually having the classes or know how it works. For example weather webservices gives you information about the weather in a country and you don't get in contact with any classes.
Every web service works differently, they use different syntax and rules for communicating. If you wanted to integrate with a particular web service (Facebook, Twitter, etc), you would review the documentation for that service and start writing code from there.
There are mainly two types of web services used in most web applications are SOAP and REST
Examples of Web Services are:
Google Maps API Web Services
Amazon Web Services
eBay Web Services
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