Web Service :- a service offered by an electronic device to another electronic device, communicating with each other via the World Wide Web Web services provide a common platform that allows multiple applications built on various programming languages to have the ability to communicate with each other Popular Web Services Protocols are: SOAP: SOAP is known as the Simple Object Access Protocol. SOAP was developed as an intermediate language so that applications built on various programming languages could talk quickly to each other and avoid the extreme development effort. SOAP can only work with XML format. SOAP cannot make use of REST since SOAP is a protocol and REST is an architectural pattern. SOAP was designed with a specification. It includes a WSDL file which has the required information on what the web service does in addition to the location of the web service. REST: REST stands for Representational State Transfer. REST is used to build Web serv...