Category: spring-boot

In this video José Cruz shows you how to use the Spring Boot Scheduler to run jobs on a schedule. You’ll see when to use it, when not to, and how to externalize timings with properties. We build a simple heartbeat job that runs every 5 seconds and explain fixedRate,…

In this video, we dive deep into Spring Boot’s ApplicationRunner — the often-overlooked brother of CommandLineRunner. You’ll learn how it works, how to implement it, real-world use cases, best practices, and when not to use it. We’ll cover everything from parsing structured command-line arguments to dependency injection, ordered execution, and…

In this video course, you’ll learn everything about CommandLineRunner in Spring Boot. We’ll cover what it is, why it’s useful, and how to apply it in real projects. From initialization tasks to advanced async setups, you’ll see practical examples, testing strategies, and a full demo walkthrough at the end. Perfect…

Struggling to manage configuration across environments in your Spring Boot apps? This video is your complete guide to externalized configuration — why it matters, how Spring Boot handles it, and which method is right for your use case. 💡 We cover everything from simple .yml files to advanced setups like…

Learn how to use Spring Boot’s powerful profile system to build flexible, testable, and production-ready applications. Whether you’re just getting started or want to master multi-environment setups, this complete guide covers it all — with diagrams, code, and real-world patterns! 📋 What you’ll learn in this video:✅ How Spring Profiles…

In this video, we dive deep into how to call stored procedures using raw JdbcTemplate in Spring Boot. From understanding the basics of stored procedures to real-world examples involving input/output parameters, return values, and reading ResultSets—this is your practical guide to mastering CallableStatement execution manually. We’ll walk step-by-step through syntax,…

Want to master state management in your Spring Boot web applications? In this comprehensive session, José Cruz guides you through everything you need to know about Request and Session Scopes in Spring Boot—from the theory to real-world use cases and common pitfalls.Get the answers to why, when, and how to…

Unlock the full power of Spring Boot by mastering how to name your beans! In this comprehensive video, José Cruz walks you through everything you need to know about default and custom bean naming in Spring Boot—from beginner basics to advanced strategies like aliases and custom BeanNameGenerators. Learn why naming…

In this episode, we explore how to perform batch inserts and updates using JdbcTemplate, optimize database interactions, and understand the trade-offs. If you’re working with large datasets, ETL jobs, or high-throughput applications, mastering JdbcTemplate.batchUpdate() is a must. 📌 What You’ll Learn in This Video ✅ Introduction to JdbcTemplate✅ Why batch…