This article explains what Swagger is, why it benefits backend and frontend teams, and provides a step‑by‑step guide to integrate Swagger 2.7.0 into a Spring Boot project, including dependencies, configuration, annotations, controller examples, testing tips, and deployment considerations.
This article outlines key API design considerations—including responsibility, single‑purpose endpoints, protocol choices, URL conventions, HTTP methods, domain strategies, cross‑origin handling, versioning, pagination, response formats, security, scalability, error codes, and practical examples—to help developers build robust, maintainable services.
This article provides a comprehensive overview of REST architecture, covering its core concepts, differences from SOAP, the Richardson Maturity Model, detailed explanations of HTTP verbs and response codes, resource identification standards, description languages, server frameworks, and client tools for building and testing RESTful APIs.
This article explains GraphQL's origin, its five core design principles, how a GraphQL server is structured, and compares its single‑endpoint, type‑safe approach to traditional RESTful APIs, highlighting performance and developer‑experience advantages despite higher initial setup costs.
This article examines GraphQL’s emergence since its 2015 open‑source release, outlines its five core design principles, contrasts its single‑endpoint, client‑driven architecture with traditional RESTful APIs, and demonstrates practical query and response examples to highlight performance and developer‑experience advantages.
The article explains the drawbacks of stateful authentication, defines stateless services, describes a token‑based login flow using JWT with RSA asymmetric encryption, and shows how to integrate this approach into a Zuul‑based microservice architecture to achieve scalable, secure, and session‑free authentication.
This article explains the RESTful architectural style, its core principles such as resource identification, representation, state transfer, uniform interface, and statelessness, and describes how HTTP methods and Java frameworks like Restlet enable building scalable, layered backend web services.
This article compares REST and GraphQL, outlining their architectural origins, endpoint structures, issues of over‑ and under‑fetching, versioning challenges, and demonstrates how GraphQL’s single‑endpoint, client‑driven queries can provide more precise data retrieval while reducing the need for multiple API versions.
This article outlines the essential steps for creating a traditional Java web application, covering environment preparation, Maven skeleton creation, required dependencies for logging, databases, persistence, Spring integration, DAO and service layers, unit testing, and RESTful controller configuration.
This article explains the shift from GUI‑centric automation to API testing, outlines its importance in agile development, describes the test pyramid, covers HTTP and REST fundamentals, and provides practical guidance for functional, load, and tool selection in API testing.
An overview of three RESTful web service security approaches—Basic authentication, OAuth 2.0, and OAuth 2.0 combined with JWT—examining their mechanisms, scalability drawbacks, and why JWT‑based solutions offer superior extensibility for micro‑service architectures, illustrated with Amazon’s token‑signing method.
This article explains REST architecture, why security is essential, and compares Basic authentication, OAuth 2.0, OAuth 2.0 + JWT, and Amazon's HTTP signature method, evaluating their scalability and load impact in a micro‑service environment.
This article examines five frequent problems in API design—missing or incomplete documentation, lack of parameter validation, non‑atomic operations, and recurring interface issues—explaining why they frustrate front‑end developers and offering practical solutions such as proper documentation practices, enriched response structures, and rigorous validation.
This article explains how IDEA REST Client provides all the features of Postman while adding environment configuration, request history, scriptable assertions, and global variable support, making it a more integrated and efficient tool for Java backend API debugging and testing.
This article explains the REST architectural style, its basic concepts, differences from SOAP, the Richardson maturity model, HTTP verbs, response codes, resource specifications, popular implementations, client tools, and recommended books for building robust web APIs.
This article explains how microservices, unlike monolithic applications, rely on inter‑process communication mechanisms, describes various interaction styles, API definition and evolution, handling partial failures, and compares synchronous (REST, Thrift) and asynchronous (messaging) IPC technologies.
This tutorial demonstrates how to create a Spring Boot project, define a GraphQL schema, implement data fetchers, expose REST endpoints, and query book data using GraphQL, highlighting the advantages of GraphQL over traditional REST APIs.
This article walks you through creating a Quarkus‑based microservice with REST endpoints, input validation, unit testing, inter‑service communication, health checks, Swagger UI, local execution, and finally deploying the services to OpenShift using S2I and native image builds.
The article explains how shifting from fragile GUI‑level testing to automated API testing improves reliability, speed, and coverage in agile development, offering concrete strategies, examples, and tool recommendations for integrating API contracts into continuous integration pipelines.
This tutorial walks you through using Jest, a fluent Java HTTP client for Elasticsearch, covering Maven setup, creating a reusable client, performing CRUD operations, bulk and asynchronous requests, and showcases code examples that illustrate how to manage indices and documents efficiently.
This tutorial walks you through setting up a Spring Boot 2.1.3 project using Maven, covering environment prerequisites, two creation methods (Spring Initializr and IntelliJ IDEA plugin), project structure, configuration, essential dependencies, a HelloWorld REST controller, unit testing, and important deployment tips.
This article introduces the REST architectural style, explains its advantages over traditional web approaches, and walks through a practical workflow that collects images, encodes them in base64, repeatedly calls a REST endpoint for face‑recognition results, and analyzes the returned JSON to evaluate algorithm performance.
This tutorial walks through creating a lightweight RESTful web API for managing people using Java EE standards such as JAX‑RS, CDI, JPA, Bean Validation, OpenAPI, and the Eclipse MicroProfile stack, showing the full code, Maven setup, and integration testing.
This article explains how to design highly available, flexible, and durable APIs by identifying consumers, defining resources and operations, choosing the right API style, and following best practices such as proper HTTP methods, clear error messages, and hypermedia (HATEOAS) support.
Learn how to quickly wrap XML requests into objects and return XML responses in Spring Boot by leveraging the HttpMessageConverter mechanism, adding the Jackson XML message converter, defining POJOs with Jackson annotations, and creating controller endpoints that consume and produce XML.
This article compares REST, gRPC, GraphQL, and Webhooks, explaining the scenarios each is best suited for and helping developers decide which API design approach matches their project's performance, flexibility, and integration requirements.
This article explains the RESTful architectural style, detailing its core constraints such as resource identification, representation, stateless state transfer, and the uniform interface, and compares REST with RPC while outlining Java frameworks and multi‑layer designs for building scalable backend web services.
REST, an architectural style defined by Roy Fielding, structures web APIs around resources identified by URIs, exchanged as representations, and manipulated through stateless, uniform HTTP methods that enforce constraints such as client‑server separation, caching, layered systems, and optional code‑on‑demand to ensure scalable, predictable interactions.
This article explains what APIs are, outlines various API types—including web service, source code, hardware, and WebSocket APIs—and discusses their browser compatibility challenges, such as deprecated SDK methods, REST method support, and cross‑origin issues, offering practical tips for developers to ensure reliable API integration.
This article introduces Spring Boot, explains its key features, walks through creating a Maven project with a complete pom.xml, adds essential dependencies and plugins, shows how to write a basic @RestController application, and demonstrates various ways to run and hot‑reload the service.
This article outlines a practical seven‑step methodology for designing, documenting, and publishing Web APIs—covering everything from listing semantic descriptors and drawing state diagrams to harmonizing names, choosing media types, creating semantic profiles, writing code, and finally releasing a stable, consumable service.
This article presents a comprehensive guide to API design for mobile applications, covering documentation standards, common request and response parameters, naming conventions, thin‑client principles, extensibility, security, compatibility, performance and user‑experience optimizations, with practical examples and code snippets.
This article explains the origins, core concepts, design principles, common misconceptions, and maturity levels of RESTful APIs, illustrating how resources, representations, HTTP verbs, and hypermedia (HATEOAS) together enable scalable, decoupled web services for modern client platforms.
This article explains how Spring MVC uses annotations such as @RequestMapping, @PathVariable, @RequestParam and @CookieValue to map URLs, retrieve parameters, implement RESTful CRUD operations via hidden method filters, and provides complete code examples for each scenario.
This article explains why GraphQL addresses key limitations of REST APIs—reducing round‑trips, improving client‑server decoupling, and enhancing developer experience—while also discussing its flexibility costs, security concerns, caching strategies, and practical code examples comparing both approaches using a Star Wars data scenario.
The article explains microservice architecture as a set of small, independently deployable services communicating via lightweight protocols, contrasts it with monolithic applications, and discusses its benefits, challenges, organizational impact, and common integration patterns such as REST, messaging buses, and service boundaries.
This article traces the historical development of the Web, explains how Roy Fielding’s doctoral research defined the REST architectural style, outlines its six core constraints, and details why REST remains the foundational design principle for modern web APIs and distributed systems.
This article presents comprehensive API design standards for mobile apps, covering request/response conventions, naming rules, data type handling, security measures, compatibility, performance and user‑experience optimizations, and offers practical examples to help front‑end and back‑end engineers create robust, maintainable interfaces.
The article presents a serverless‑style solution that replaces a heavy backend with a lightweight, automatically generated CRUD layer, detailing RESTful API conventions, extensions for batch operations, query parameters, foreign‑key handling, and a Rails‑based code‑generation pipeline to streamline development of a high‑availability supply‑chain system.
This tutorial shows how to install json-server, create a db.json file, run the mock REST API, and perform GET and POST requests to simulate backend data, enabling front‑end developers to work without waiting for a real server.
This article surveys nine forward‑looking predictions—from REST‑driven IoT and resurging binary protocols to video‑centric web experiences, smartphone‑only functionalities, massive databases, evolving JavaScript roles, a PHP comeback, and universal coding education—offering a roadmap for developers navigating rapid technological change.
The article presents nine speculative trends for the next five years in programming—covering REST‑based IoT, a resurgence of binary protocols, video overtaking HTML, ever‑more capable smartphones, massive databases, JavaScript dominance via code‑generation bots, PHP’s comeback, widespread coding education, and managerial overreach—while stressing the inherent uncertainty of tech forecasts.
An ex‑WeChat engineer shares practical strategies to accelerate Android development, covering RxJava for reactive streams, MVP/MVVM architecture, REST client generation, image‑loader choices, quality monitoring tools, and workflow best practices that can help startups build high‑performance apps efficiently.
This article explains what RESTful APIs are, why they are essential for modern web and mobile development, and provides clear examples of common CRUD operations using standard HTTP methods.
This tutorial explains how to add Swagger 2.0 API documentation to a Spring Boot application by configuring Maven dependencies, enabling Swagger with Springfox annotations, creating a Docket bean, and annotating controllers and model classes to generate an interactive API explorer.
The article shares Meiya's journey from a small startup to a full‑featured beauty video platform, detailing common early‑stage challenges, communication and protocol strategies, RESTful API design, development workflow, toolchain choices like Laravel, DB migrations, iOS libraries, ELK logging, and DevOps automation with SaltStack.
The article explains the origin of RESTful architecture, defines its key concepts of resources, representations, and state transfer, outlines how HTTP verbs map to operations, and highlights typical design mistakes such as verb‑laden URIs and versioning in the URI path.
The article analyzes the practical differences and overlaps between RESTful APIs and Service‑Oriented Architecture, offering guidance on when to build services versus APIs, outlining each approach’s focus, best practices, and a step‑by‑step method for creating RESTful APIs within a unified strategy.
This article outlines a repeatable, seven‑step process for designing robust Web APIs that leverages both HTTP and broader Web protocols, covering everything from listing semantic descriptors to publishing the API, and emphasizes clear separation of design and implementation details for future extensibility.
This article presents a comprehensive, seven‑step methodology for designing, implementing, and maintaining Web APIs—covering business use‑case definition, semantic description, state‑diagram modeling, naming harmonization, media‑type selection, semantic archive creation, coding, and publishing—while offering interviews and further reading recommendations.
