Read Value from XML using JAXB: 
------
QUESTIONS(Theroy) 
------
1.What is JAXB stands for?
2.What is marshal and unmarshal?
3.What are all the annotations available in JAXB and its used for?
4.What are all the jar files needed for JAXB?
5.What is JAXBContext?

QUESTIONS(Practical)
--------------------
QUESTION 1
----------

 NOTE: Read all the values from below XML file using JAXB.


      <?xml version="1.0" encoding="UTF-8"?> 
      <employee>
  <emp>
    <name>Vimal Jaiswal</name>
    <salary>50000.0</salary>
    <employeepersonal>
      <address>Chennai</address>
      <age>24</age>
      <dob>10.06.1992</dob>
      <email>vimal@gmail.com</email>
    </employeepersonal>
  </emp>

  <emp>
    <name>Suresh</name>
    <salary>36000.0</salary>
    <employeepersonal>
      <address>Trichy</address>
      <age>22</age>
      <dob>10.05.1996</dob>
      <email>suresh@gmail.com</email>
    </employeepersonal>
  </emp>

  <emp>
    <name>Ramesh</name>
    <salary>25000</salary>
    <employeepersonal>
      <address>Coimbatore</address>
      <age>21</age>
      <dob>16.11.1997</dob>
      <email>ramesh@gmail.com</email>
    </employeepersonal>
  </emp>
        </employee> 
    

    
QUESTION 2
----------
NOTE: Update below details in XML using JAXB?
             
      CompanyDetails:

      CompanyName- Capgemini

      CompanyLocation- Chennai

      NatureOfCompany- IT(Software)

      CompanyName- CTS

      CompanyLocation- Delhi

      NatureOfCompany- IT(Software)

      CompanyName- Hexaware

      CompanyLocation-Mumbai

      NatureOfCompany- IT(Software)

      CompanyLocation-TCS

      CompanyLocation-Bangalore

      NatureOfCompany- IT(Software)

      CompanyLocation- Wipro

      CompanyLocation- Chennai

      NatureOfCompany- IT(Software)