Java

This short Spring Data JPA tutorial will teach you how to write a Native UPDATE SQL query. Let’s assume you need to run the following SQL query: update users u set u.EMAIL_VERIFICATION_STATUS = ‘true’ where u.USER_ID = ‘5JwQBHd1mL73XEg8S2e2w4ITn9gOW4’ I assume you will not want to hardcode the values of EMAIL_VERIFICATION_STATUS and USER_ID into an SQL…

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In this blog post, I am going to list commonly used POM.XML dependencies for building RESTful Web services with Spring Boot and Spring MVC. The list of below dependencies is not complete and will depend on the functionality you need your RESTful Web Services to support. But if you are building a simple REST API…

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The list of below video tutorials is a Quick Start to learning How to Build RESTful Web Services with Spring Framework. Spring Framework is large and there is so much to learn about it. And although there are so many tutorials on the Internet I still felt it would be helpful to create a series…

Read More RESTful Web Services with Spring Framework. Video Tutorials

In this tutorial on Rest Assured, I am going to share with you how to create a test case which sends HTTP Get Request and includes two Query String Request Parameters. Let’s assume we need to test a RESTful Web Service Endpoint which returns a list of users. The URL to our RESTful Web Service…

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In this tutorial, you will learn how to validate the request body of an HTTP Post request sent to a RESTful Web Service endpoint built with Spring Boot. Request Body JSON Let’s say you have a RESTful Web Service endpoint that accepts HTTP post requests with the following JSON payload: { “firstName”: “Sergey”, “lastName”: “Kargopolov”,…

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In this tutorial, you will learn how to make a method in your Rest Controller class return a custom HTTP status code. To return a specific HTTP status code from a Spring Controller method in your application, you can use the ResponseEntity class. ResponseEntity with HTTP Status Code Let’s assume we have a simple web…

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In this short tutorial, I am going to share with you how to enable CrossOrigin in a RESTful Web Service API built with Spring Boot that also has Spring Security enabled. Enable CrossOrigin for Specific Endpoint  To enable cross-origin AJAX HTTP requests to a specific RESTful Web Service endpoint in our Rest Controller class we can use…

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In this tutorial, we will create a Spring Boot application which demonstrates how we can add and use the H2 in-memory database in our application. You will learn how an in-memory database like H2 can be used to develop a Spring boot application without the overhead of doing DB configuration on your machine and without…

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This tutorial will teach you how to build a Spring Boot application and access data in a MongoDB database using the MongoTemplate APIs.   For MongoDB, we will use mLab, which provides MongoDB Database as a Service platform so that you don’t even have to install a MongoDB database on your computer.  Also, at the end…

Read More Spring Boot and MongoTemplate Tutorial with MongoDB