In this article, we start by discussing the difference between multithreading and multitasking (or difference between threads and processes), then discussing the thread states, different ways of creating threads and a simple thread example to make things clear. We will also learn what are deamon threads.

JAXB 2.x support bidirectional binding between xml schema and java objects - binding from XML schema to java classes and binding of Java classes to XML Schema components.

Here we will do java to xsd binding and then do marshaling and unmarshaling. 

In XML schema to Java class binding, the input is an XSD document and everything else is generated or written based on this XSD. We will first create a sample xml and then write (or generate) an xsd for it, then using the xsd, we will create the java stub code corresponding to the xsd and finally do marshaling and unmarshaling using the generated code. Marshaling an XML document means to create an XML document from Java classes. Unmarshaling an XML document creates a Java object tree from an XML document.

A servlet is a java class that conform to the servlet specification and need to be deployed to a servlet container to work as a servelt. A servlet’s life cycle consist of Servlet class loading, Servlet instantiation, and then methods init(), service() and destroy().