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We will be developing REST API using JAX-RS (Jersey) and Tomcat server and we will be implementing basic 4 methods so lets get started Here is pom.xml file: <project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"><modelVersion>4.0.0</modelVersion><groupId>org.dpq.webservices</groupId><artifactId>SimpleRestApiApp</artifactId><packaging>war</packaging><version>0.0.1-SNAPSHOT</version><name>SimpleRestApiApp</name><build> <finalName>SimpleRestApiApp</finalName> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.1&

REST is an acronym for  RE presentational  S tate  T ransfer and an architectural style for  distributed hypermedia systems . 1. Principles of REST:     Uniform Interface: The following four constraints can achieve a uniform REST interface: Identification of resources  – The interface must uniquely identify each resource involved in the interaction between the client and the server. Manipulation of resources through representations  – The resources should have uniform representations in the server response. API consumers should use these representations to modify the resources state in the server. Self-descriptive messages  – Each resource representation should carry enough information to describe how to process the message. It should also provide information of the additional actions that the client can perform on the resource. Hypermedia as the engine of application state  – The client should have only the initial URI of the application. The client application should dynamically driv