Category: spring-boot

Welcome to another episode in our Spring Boot Series series! In this video, you’ll learn how to insert data using JdbcTemplate and immediately retrieve the auto-generated key — a common task when working with relational databases. 🎯 Topics covered: 🔧 Technologies used:

In this episode of our Spring Boot series, we dive into building reusable DAO classes using Spring’s JdbcTemplate. If you’re tired of writing repetitive SQL and boilerplate JDBC code, this design pattern will help you write cleaner, more testable, and maintainable code in no time. Learn how to abstract CRUD…

Handling database results properly is critical for writing robust and clean Spring Boot applications! In this video, we dive deep into how to gracefully deal with null values and empty query results using JdbcTemplate – a must-have skill for any backend developer. You’ll learn how to prevent dreaded NullPointerExceptions, improve…

Welcome to this deep-dive tutorial where we explore how to handle complex SQL result sets using JdbcTemplate in Spring Boot. If you’ve ever struggled with joins, nested mappings, or organizing your domain models cleanly — this is the video for you. We’ll walk through practical examples using LEFT JOIN, LinkedHashMap,…

Unlock the full potential of Spring Boot’s auto-configuration magic by mastering Conditional Beans! In this video, we dive deep into how @Conditional, @ConditionalOnProperty, @ConditionalOnClass, and related annotations work behind the scenes. ✅ Learn how to use conditions for dynamic configuration✅ Understand Spring Boot’s evaluation pipeline✅ See real-world use cases like…

🚀 Welcome back to our Spring Boot Mastery Series! In this episode, we dive deep into one of the most misunderstood yet powerful annotations in the Spring ecosystem: @Lazy. Whether you’re optimizing performance, managing complex dependencies, or delaying heavy instantiations, understanding @Lazy can level up your architectural thinking and application…

Welcome to this video in our Spring Boot series! 🎯In this episode, we explore how Spring manages the lifecycle of beans, focusing on the powerful annotations @PostConstruct and @PreDestroy. This is part of a larger series where we help developers master Spring Boot through concise, practical, and real-world examples. 🔍…

Welcome to another video in our Spring Boot Deep Dive series!In this episode, we explore a powerful but often misunderstood part of the framework: @Bean methods inside @Configuration classes. If you’ve ever wondered when to use @Bean instead of @Component, how Spring wires your dependencies behind the scenes, or how…

In this video, we take a comprehensive look at prototype scope in Spring Boot, when and how to use it, and the best practices around injecting prototype-scoped beans into singleton-scoped components. This is part of a growing series, so make sure to check the playlist for more hands-on Spring Boot…

In this video, we dive deep into the most common and default bean scope in Spring Boot: Singleton. You’ve probably used it a hundred times without thinking — but do you really know how it works under the hood and why it’s used by default? We’ll walk through real-world examples…