Abstract Class An abstract class is one that is intended only to be a base class of other classes. The 'abstract' modifier is used to make a class abstract. An abstract modifier indicates that there is some missing implementation that needs to be implemented in the class derived from it. The abstract class can have abstract and non-abstract members. An abstract class should have at least one abstract method, otherwise, there is no use of declaring that class as 'abstract.' Example of … [Read more...]

Simple Object Access Protocol (SOAP) Simple Object Access Protocol is a lightweight, XML-based protocol used to exchange information over the Internet between programs running in same or different operating system. SOAP messages can be transported using a variety of protocols, including HTTP, SMTP or MIME. All SOAP messages use the same format making it compatible with a variety of operating systems and protocols. Why to use HTTP protocol for SOAP messages? Traditionally, HTTP protocol is … [Read more...]