From web apps to big data, configuration to security - whatever the application’s infrastructure needs, there’s a Spring project to help. Spring has been widely adopted by developers to build scalable applications. Now that we have a basic understanding of what APIs are, we are going to introduce you to Spring Boot - a Java framework that helps in developing backend APIs. The web server sends the requested information as a response to the API.įinally, API sends the response to the client application. Leveraging the API’s URI (Uniform Resource Identifier), this request is then processed from the application to the web server and includes headers, a request verb and occasionally a request body.Īfter the API receives a valid request it makes a call to the external program or web server. A document that describes how such an interface can be built or used is called an API specification.Ī client initiates an API call to retrieve data from the application - also known as a request. API uses a documented interface to enable products and services to communicate with each other and use data and functionalities from each other. Put simply, API allows businesses to open up the features and data of the application to external business partners, third-party developers and internal departments of the company. By allowing apps to exchange functions and data securely, APIs simplify the app development process. It acts as a middleman between services without having to know how they are implemented. What is an API?Īpplication Programming Interfaces (APIs) are the set of definitions and protocols that help two software components to communicate. To address this issue, the concept of the backend for the frontend has come into view and helps developers to align the backend with the frontend using APIs. Moreover, the web applications’ frontend needs to work with the backend to offer smooth functionalities and features to the users. Single-page applications (SPAs) and progressive web applications (PWAs) have become the norm in full-stack development and server-side rendering (SSR) have appeared to overcome their limitations. LAMP/LEMP: Linux, Apache/ Nginx (pronounced engine-x), MySQL and PHP MERN: MongoDB, Express, ReactJS and Node.js MEAN: MongoDB, Express, AngularJS and Node.js. Read: The Ultimate Guide to FullStack Development ![]() Some of the popular stacks that are being used by full-stack developers include: However, when technologies cover the frontend, the backend and database layer is called “a stack”. ![]() Some technologies are more popular than others among these three web application layers. Lastly, the persistence layer comprises one or more SQL or NoSQL databases, although the advent of Big Data has enabled non-conventional databases to store data. Working on the backend involves server-side scripting programming languages such as Java. The frontend development consists of HTML, CSS, and JavaScript along with JavaScript’s frameworks and libraries. You might find different developers for each layer of web applications, but one who works on all of the three layers is a full-stack developer. A web application consists of three layers at the very least: client-side (frontend), server-side (backend), and database (persistence layer).
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