MultiValueMap In this example I am going to show you how to use Spring’s MultiValueMap in REST API. This MultiValueMap is similar to the Jersey’s MultivaluedMap. A MultiValueMap<K, V> or MultivaluedMap<K, V> is a map of key-values pairs. Each key can have zero or more values, where K – the type of keys maintained by this map and V – the type of mapped values. This…

Introduction In this PHP example, I am going to show you how to call external REST APIs in PHP programming. I am not going to build here any new REST API, but I will call or consume those REST APIs which are already available for testing purpose. But if you want to know then you can check my tutorial about…

CodeIgniter 4 REST API Client In this tutorial I will show you how to call or consume external REST APIs in CodeIgniter 4 framework. REST is an acronym that stands for Representational State Transfer. I had shown how to build REST API CRUD Example earlier but here I am going to show an example on CodeIgniter 4 consume REST APIs….

Here in this tutorial I am going to explain how to integrate Django REST API with Angular framework. CRUD stands for Create, Read, Update and Delete operations which will be performed from UI (User Interface) using Angular framework and on server side Django framework and MySQL server are used. The Angular framework will be used in this example for representing…

Here I am going to show you how to use AJAX in React HTTP GET request without using Third Party library. To do this I am going to use XMLHttpRequest for fetching data instead of Fetch API (fetch()). AJAX is an acronym that stands for Asynchronous JavaScript and XML. The Fetch API provides an interface to fetch resources from the…

NodeJS CRUD App Here I am going to show you how to create REST API CRUD example using Nodejs Express and MySQL server. CRUD means Create, Read, Update and Delete operations which are performed through REST (Representational State Transfer) resources that works on http/https protocol. REST resources or APIs work on verbs, such as, GET, POST, PUT, DELETE, etc. So…

Here I am going to discuss about whether it is a good idea to send parameter in request body of the HTTP GET request or not. Request body is also known as payload of the request. I will also discuss about idempotent and safe http methods. Generally payload in the body is sent for POST, PUT, etc. http methods where…

Introduction In this example we will see how to perform CRUD operations REST API testing using Rest Assured library in Java programming language. Testing and validating REST services in Java is harder than in dynamic languages such as Ruby and Groovy. REST Assured brings the simplicity of using these languages into the Java domain. This tutorial will show you how…

Introduction In this post we will create Angular + Spring Boot MongoDB CRUD Example. In my previous tutorial on Spring Boot MongoDB CRUD Example, we did not have any UI or front-end, so we had to test out application using REST client but here we will use Angular on front-end side so that we can easily make this application as…

Introduction In the tutorial, working with restful services in codeigniter – put example, I am going to show you how you can work with RESTful or REST webservice in Codeigniter framework. The HTTP PUT method is used to update the existing record in server side. Related Posts: Working with RESTful services in Codeigniter – POST example Codeigniter GET example with…