This article provides a comprehensive tutorial on Spring Boot, covering its purpose, key advantages, project setup with Maven, essential configuration files, integration of JdbcTemplate, JPA, MyBatis, JSP, AOP, and task scheduling, all illustrated with complete Java code snippets.
This article explains what Spring Boot and Spring Cloud are, why they are used, their configuration file types, hot‑deployment methods with code examples, the differences between JPA and Hibernate, and the main components of Spring Cloud such as Eureka, Ribbon, Hystrix, Zuul and Config.
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 tutorial walks through persisting Domain‑Driven Design aggregates by first explaining aggregates and aggregate roots, then showing Java class examples, followed by practical JPA/Hibernate integration challenges and a complete MongoDB document‑store solution, highlighting trade‑offs and best practices.
This article explains how Java‑based microservices can keep data handling manageable by using domain‑driven design, separate data stores, hybrid persistence, event‑driven communication, JPA, EJB, Bean Validation, CDI, and various messaging protocols to achieve consistency and scalability.
This article presents a complete design and implementation of a flash‑sale (SecKill) system, detailing entity models, DAO methods, service and controller layers, a high‑concurrency test, and an improved solution using row‑level locking to prevent overselling under heavy load.
This article explains how to design and implement a Java‑based flash‑sale (seckill) system that can handle tens of thousands of concurrent requests, covering entity modeling, DAO methods, service logic, controller handling, a concurrency simulation test, and an improved locking strategy to prevent overselling.
This article compiles a curated list of Spring Data tutorials covering core JPA configuration, method inheritance, query creation, named queries, @Query usage, sorting, as well as Elasticsearch architecture, overview, basic and practical examples, all sourced from the Spring4All community.
