Java Web Services  Course

A web service is a software program that makes itself available over the internet for another system to use. Web services use a set of international standards for communication between different systems. This course will teach you how to develop web services using Java. You will learn about the various standards involved, the difference between SOAP and RESTful web services, and how to write client programs that use web services.

"This course was extremely informative, got extra out of it. Lewis is very knowledgeable, it was great learning from him."

D. Abrahams, Standard Bank   (Lecturer: Lewis)

"This is a great Web Services course. The structure & technical depth is ideal for developers."

E. Letebele, Standard Bank   (Lecturer: Lewis)

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Audience: Is This The Right Course For Me?

You should attend the Java Web Services course if:

  • You are a Java programmer and you need to develop web services.
  • You are a Java programmer and you need to support web services.
  • You are a Java programmer and you want to use web services for internal interfaces.

Prerequisites: Am I Ready For The Course?

Before you attend the Java Web Services course:

  • You must have a good knowledge of the Java language. So you should have attended our Java Programming course or already have practical experience programming in Java.
  • You should have some knowledge of basic XML. It is not essential, but it will help you to first attend our XML Development course.

Please check that you meet the prerequisites for this course before you attend. Read the importance of course prerequisites to understand why this is necessary.

If you are not sure which is the right course for you, please call us. We will be happy to advise you, based on your training goals and your experience.

Objectives: What Will I Learn?

After you have completed the Java Web Services course, you will be able to:

  • Understand the various web service technologies and how to use them.
  • Write SOAP and RESTful web services.
  • Write Java clients that can use SOAP and RESTful web services.

Download the Java Web Services course contents in PDF format

Technical Contents: What Does The Course Cover?

Web Services Overview.
  • Why use Web Services in enterprise applications.
  • Service-Oriented Architecture (SOA).
  • Web services as a realisation of SOA.
  • Web Service architecture, initiatives and specifications.
  • Web Service application programming interfaces (APIs).
Web Services Technologies and APIs.
  • SOAP web services as service oriented architectures.
  • Binary Attachments using SAAJ, DIME and MTOM.
  • Web Service Description Language (WSDL).
  • Web Service Interoperability (WS-I).
  • Java API for XML-Based Remote Procedure Calls (JAX-RPC).
  • Java API for XML Web Services (JAX-WS).
  • Java Architecture for XML Binding (JAXB).
  • RESTful web services as resource oriented architectures.
  • SOAP vs REST.
  • Java API for XML RESTful Web Services (JAX-RS).
Overview of XML (EXtensible Markup Language).
  • XML syntax and validity.
  • XML namespaces.
  • Document Type Definition (DTD).
  • XML schemas.
  • Java API for XML Processing (JAXP).
  • Java API for XML Binding (JAXB).
Web Services Endpoints and Clients.
  • Exposing Web service endpoints as JSE applications, servlets and EJBs.
  • Approaches to creating Web services - the code first vs contract first approaches.
  • Java-to-WSDL vs WSDL-to-Java development.
  • Accessing web service functionality from clients.
Security and Exceptions.
  • Handling exceptions.
  • User-defined exceptions.
  • Web services security requirements.
  • Basic authentication.
  • Message-layer security.
  • Second generation WS-* initiatives.
RESTful web services.
  • Overview of HTTP features - HTTP methods, headers, query strings, status codes.
  • HTTP methods and CRUD systems.
  • Designing REST URLs.
  • Data representations - XML, JSON, text.
  • Implementation with various Java APIs - servlet API, JAX-RS, @WebServiceProvider.
  • Consuming REST web services.
Best Practices and Design Patterns.
  • Best Practices and choosing the correct WS technology.
  • Use of JEE design patterns in web services architecture.
  • Practical application of JEE design patterns.

Testimonials: What Other Delegates Say About This Course

"Excellent learning environment - very serene. Lecturer is highly knowledgeable and proficient. Course was interesting and applicable to my work environment."

G. Bhana, ABSA   (Lecturer: Lewis)

"Very informative. I loved it. From the very basics to the hardcore topics transitions was what I enjoyed the most."

T. Sithole, Standard Bank   (Lecturer: Lewis)

"Lewis has the ability to simplify complex concepts and make it easy to understand. (1 day Overview)"

G. Naicker, Standard Bank   (Lecturer: Lewis)

"The lecturer was very knowledgeable and posed a list of questions to test that we understand. That was a very important course and would recommend."

J. Chauke, Standard Bank   (Lecturer: Lewis)

"Very impressed about the course I had for 4 days and I am looking forward to come back for the Struts 2 Course."

N. Jiyane, SAQA   (Lecturer: Lewis)

"Great course, will recommend it to a person."

O. Lehong, Standard Bank   (Lecturer: Lewis)

"Thank you very much Mr. Coosner, you are a star. Keep up the good work."

V. Memani, TUT   (Lecturer: Lewis)

"Thoroughly enjoyed the course. Have so much I want to go and experiment with."

E. de Beer, Investec   (Lecturer: Lewis)

"The course was very nice. The lecturer was able to unpack the course very well."

S. Sibeko, Standard Bank   (Lecturer: Lewis)

"The course is very informative and in-depth, which is great."

N. Khumalo, Paycorp   (Lecturer: Lewis)

"The course is very good especially for Java Developers. The lecturer is very knowledgeable and I really enjoyed the course."

C. Chidamba, Standard Bank   (Lecturer: Lewis)

"Excellently explained in detail. Very satisfactory and I really enjoyed the course. Thumbs up."

A. Anosike, Private   (Lecturer: Lewis)

"Loved the food, the lecturer knows his stuff, he makes sure you understand."

K. Madona, ABSA   (Lecturer: Lewis)

"Even though Lewis had an injured leg, he still delivered a brilliant course. Hats off to Lewis!"

M. Kadir, ABSA   (Lecturer: Lewis)

"Excellent environment. Excellent lecturer."

O. Chakanyuka, FBC Holdings Ltd   (Lecturer: Lewis)

"This course was extremely informative, got extra out of it. Lewis is very knowledgeable, it was great learning from him."

D. Abrahams, Standard Bank   (Lecturer: Lewis)

"This is a great Web Services course. The structure & technical depth is ideal for developers."

E. Letebele, Standard Bank   (Lecturer: Lewis)

Duration: 5 days. Courses are presented from 08:30 to 16:30.
Price: R12,900.00 excluding VAT per delegate.

This price includes everything that you need:

  • All course material, provided in an electronic format.
  • An attendance certificate after the course, in PDF format.
  • A voucher to re-attend the course for a minimal fee within 6 months.
  • A voucher for a free competency assessment within 6 months.

All you have to bring to the course is the desire to learn.

Prices are valid from 1 January 2020.

Location: Due to COVID-19, all courses will be presented virtually.
Read more about the Incus Data Virtual Classroom
Date: Please check the course schedule for the next date.
You can also contact us at tel: (+27) 12-666-2020 or cell/WhatsApp: (+27) 76-694-7705, or email us at to find out about dates that suit you.

How Do I Book?

It's easy to book: Fill in our course enrolment form (editable PDF file) and email it to us at

After we have received your booking, we will send you a confirmation that you are booked on the course, and an invoice.

Tip: Most PDF readers, other than Adobe Reader, will let you save the form with the data you have entered. If you are using Adobe Reader, however, you might not be able to do this. But don't despair: when you have typed in the information, just print the file to PDF - and you'll have a completed enrolment form ready to email to us.