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01: ♥♦ Q01 – Q06 Java Web Services Interview questions & answers

As an enterprise Java developer, you will be spending more time integrating systems via web services & messaging. Java Web Services interview questions are very popular. Q1. What are the different styles of Web Services used for application integration? and

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01: ♦ Q07 – Q12 Java Micro & Web services Interview Q&As

Extends Java Web Services Basics Interview Q&As – Q17 – Q06. Q7. What is a microservice architecture (aka MSA)? A7. Martin Fowler defines Microservices as a subset of Service Oriented Architecture (SOA). In SOA, the services can be of any…...

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01: ♦ Q13 “12 Rules” for REST API design & development

These are more like rules to develop RESTFul web services as opposed to being the best practices. REST is an architectural style without any contracts or specifications. So, it is imperative to apply the following rules for better REST API…...

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02: ♦ 6 Java RESTful Web services Interview Q&A you must know

Q1. What is RESTful Web service, and why is it favored over SOAP Web service? A1. REST stands for REpresentational State Transfer (REST), which is a stateless software architecture that reads webpages containing XML, JSON, Plain text, etc. REST is…...

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03: ♥ JAX-RS how to create a RESTFul Web Service in Java?

Q. What are the high level steps in developing a RESTful web service in Java? A. You can see the complete tutorial in the tutorials section. This post is to quickly explain the major steps at the job interview. Knowing

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04: 5 JAXB interview Questions & Answers

JAXB interview Questions & Answers Links: 6 Java RESTful Web services Interview | 11 SOAP Web service interview | Java Web Services interview Questions & Answers Q1. What does JAXB stand for? What is an XML Binding? A1. JAXB means…...

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05: RESTFul Web Service URI conventions with Spring MVC examples

The high level pattern for the RESTful URI is http(s)://myserver.com:8080/app-name/{version-no}/{domain}/{rest-reource-convetion} For example: http(s)://myserver.com:8080/accounting-services/1.0/forecasting/accounts to list  all the accounts. This is a plural resource returning a collections of accounts. The URI contains nouns representing the resources in a hierarchical structure. For…...

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06: RESTful Web services and HATEOAS Q&A

Q1. What is HATEOAS? How does it provide state transition, scalability, and loose coupling? A1. HATEOAS (Hypermedia as the Engine of Application State) is considered the final level of REST. This means that each link is presumed to implement the…...

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07: HATEOAS RESTFul Service with Spring tutorial

Step 1: Create a Maven project structure Step 2: pom.xml to get right jars Note that “spring-hateoas” is included. The “com.fasterxml.jackson.datatype” is required for the JSON processing. Step 3: Hello class with “ResourceSupport“ The “jackson-datatype-joda” aertifact brings in the dependency…...

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08: REST constraints (i.e. design rules) interview Q&A

Q1. What are the 6 REST constraints? A1. REST constraints are design rules that are applied to establish the distinct characteristics of the REST architectural style. These constraints don’t dictate what kind of technology to use, and they only define…...

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09: 11 SOAP Web service interview questions and answers

SOAP Web Services interview Questions & Answers Links: 6 Java RESTful Web services Interview | 5 JAXB interview Questions & Answers | Java Web Services interview Questions & Answers Q1. What are the different approaches to developing a SOAP based…...

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10: SOAP Web Service Styles Interview Q&A

Q1. What is the difference between the “RPC” and “Document” styles in SOAP? A1. There are two communication style models that are used to translate a WSDL binding to a SOAP message body. In RPC style, the body of the…...

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11: ♥ JAX-WS how to create a SOAP web service in Java?

Step 1:Create the Java Maven project: Step 2: Need the libraries/frameworks This example shows Apache CXF library as JAX-WS implementation with Spring and deployed to JBoss server 5.1.1. Step 3: Web service interface with JAX-WS annotations Folder: src/main/java Step 4:

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