Spring Archives - Igor Venturelli

Spring Batch: Handling Large-Scale Batch Processing

Learn how to handle large-scale batch jobs with Spring Batch

Handling large datasets efficiently is a key challenge in modern enterprise applications. Whether you’re processing millions of records, importing large datasets, or generating complex reports, batch processing becomes a necessity. Spring Batch, a robust framework from the Spring ecosystem, provides an excellent solution for managing such tasks. This post will walk you through the core concepts of Spring Batch, focusing on its ability to handle large-scale batch processing, and will include key Java code examples to deepen your understanding.

Working with Spring Data JPA: CRUD Operations and Beyond

Learn how Spring Data JPA simplifies CRUD operations and advanced data management in Spring Boot, boosting your development productivity

When developing a Java application, working with data is inevitable, and this is where Spring Data JPA truly shines. Spring Data JPA simplifies the process of interacting with databases by providing an abstraction over the commonly used JPA (Java Persistence API). Whether you’re handling simple CRUD operations or need more advanced features, Spring Data JPA offers a clean, powerful, and flexible way to manage data persistence in your Spring Boot applications.

What is Spring Boot? A Complete Guide to Simplifying Java Development

Discover how Spring Boot simplifies Java development with embedded servers, starter dependencies, and microservices-ready features

In today’s fast-paced software development world, creating scalable and production-ready applications quickly is essential. Spring Boot, a powerful extension of the Spring framework, allows developers to do just that. But what exactly is Spring Boot, and why has it become the go-to framework for Java developers worldwide?

Spring Boot and GraphQL: Creating a GraphQL API

Say goodbye to REST’s limitations and control your data with GraphQL

GraphQL has rapidly gained popularity as an alternative to REST APIs for its ability to provide more flexible and efficient data queries. In contrast to REST’s fixed endpoints, GraphQL allows clients to specify the exact data they need, reducing over-fetching or under-fetching of information. In this post, we’ll dive into how to set up a GraphQL API using Spring Boot, giving you all the necessary code snippets to get started quickly.

Spring Boot DevTools: Speeding Up Development with Hot Reloads

Learn to implement hot reloads and save time with real-time updates

As developers, we’re always looking for ways to optimize our workflow and reduce the feedback loop during development. One tool that significantly enhances productivity in Spring Boot applications is Spring Boot DevTools. This development tool is specifically designed to speed up the coding process, providing features such as hot reloads, automatic restarts, and more.

Spring Boot and Thymeleaf: Building Dynamic Web Applications

Learn how Thymeleaf integrates with Spring Boot for building dynamic web applications

In today’s development landscape, frontend and backend technologies are often decoupled into separate applications. However, there are still scenarios where combining both into one cohesive system makes sense. In this blog post, we’ll explore how Thymeleaf integrates with Spring Boot to build dynamic web applications, explain its role in Spring MVC, and discuss the scenarios where this architecture shines.

Accessing Resource Files in Spring Boot: A Comprehensive Guide

Learn how to access and load resource files in Spring Boot using ResourceLoader, @Value, and ResourceUtils

In Spring Boot applications, resource files are essential for managing various application data, such as configuration files, templates, and static resources. In this blog post, we’ll dive deep into what resource files are, how to load them in Spring Boot, and share best practices with code examples to enhance your understanding.

Integrating Spring Boot with Third-Party APIs

Learn how to integrate Spring Boot with third-party APIs using Feign

In today’s microservice architecture, it’s common for applications to communicate with third-party services. Spring Boot makes it seamless to integrate these APIs with a variety of tools. While developers have traditionally used RestTemplate, its deprecation has shifted focus to more modern solutions, like Spring Cloud OpenFeign. In this blog, we’ll dive into the integration of Spring Boot with third-party APIs, focusing on using Feign and showcasing practical examples, including handling authentication and request customization.

Introduction to Spring Boot: Building Your First RESTful API

Learn how to build your first RESTful API using Spring Boot

Building a RESTful API is a fundamental skill for any backend engineer. Spring Boot simplifies the process with its robust framework, allowing you to quickly develop scalable and maintainable APIs. In this guide, we’ll walk through creating your first RESTful API using Spring Boot. We’ll cover REST fundamentals, explain the Controller → Service → Repository pattern, mock the Repository layer, and discuss the role of Spring Security (while leaving the deeper details to specialized blog posts). By the end, you’ll have a functioning API and a deeper understanding of Spring Boot’s architecture.

Connecting Spring Boot Applications to a Database with Spring Data JPA

Simplify Spring Boot database integration with Spring Data JPA

In modern software development, databases form the backbone of most applications, holding crucial data that powers the business logic. Spring Data JPA is a part of the larger Spring ecosystem that simplifies data access through powerful abstractions over JPA (Java Persistence API). In this post, we will dive into how to connect Spring Boot applications to a PostgreSQL database using Spring Data JPA, explore key annotations, understand repository interfaces, and provide practical code examples to solidify the concepts.