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CCD-410 Certifcation CCA-500 Hadoop Administrator Exam HBase Certifcation CCB-400 Data Science Certifcation Hadoop Training with Hands On Lab

Question 51: What is the purpose of JAXB?

Answer: Java Architecture for XML Binding (JAXB) is a software framework that allows Java developers to map Java classes to XML representations. JAXB provides two main features: the ability to marshal Java objects into XML and the inverse, i.e. to unmarshal XML back into Java objects. In other words, JAXB allows storing and retrieving data in memory in any XML format, without the need to implement a specific set of XML loading and saving routines for the program's class structure. It is similar to xsd.exe and XmlSerializer in the .NET Framework.

Java WebService Trainings and Java WebService Certification (1Z0-897)

Question 52: What do you mean by Service Endpoint Interface?

Answer: A soap based web service can be implemented as a single java class.An endpoint interface, also known as a service endpoint interface (SEI), is a term used in Java Platform, Enterprise Edition when exposing Enterprise JavaBeans as a Web service (see also Service Implementation Bean (SIB)). It is annotated with @WebService and is a component interface, which declares all the abstract methods that are exposed to the client. As it extends the java.rmi.Remote interface, all methods must throw the RemoteException. A Web service client accesses a stateless session bean through the bean's Web service endpoint interface. Like a remote interface, a Web service endpoint interface defines the business methods of the bean.

Question 53: Can EJB exposed as a WebService?

Answer: Yes.

Question 54: What is the binding section in a WSDL?

Answer: It tells you which protocol is used for SOAP messaging. Most of the cases it is HTTP/S.

Java WebService Trainings and Java WebService Certification (1Z0-897)