Explore strategies for simplifying complex monolithic applications in this 50-minute conference talk from Spring I/O 2017. Learn how to split large ApplicationContexts into smaller sub-contexts, isolate internal beans, and clarify APIs to manage dependencies more effectively. Discover practical techniques for dividing monolithic systems into more manageable components, paving the way for potential microservices architecture. Gain insights on tackling dependency issues by allowing each sub-context to have its own classpath. Apply these tips and tricks to streamline your Spring-based applications and prepare them for future scalability and maintainability.