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Introduction As enterprise applications scale, databases often become the primary bottleneck. Frequently accessed data such as customer profiles, product catalogs, pricing information, configuration settings, and reference data are repeatedly fetched…
Introduction Modern applications often retrieve the same data repeatedly from databases. Product information, customer profiles, configuration settings, and reference data are commonly accessed by multiple users and services. Without caching,…
Introduction As organizations scale their Spring Boot microservices on Kubernetes, caching becomes a critical component for performance and cost optimization. While EhCache works well for single-node deployments, it introduces cache…
When preparing for software engineering interviews, one topic that appears consistently across coding rounds and system design discussions is Time Complexity and Space Complexity. Many developers can write code that…
Pattern-based coding questions are a common way to assess a candidate's logical thinking, loop understanding, and ability to derive mathematical relationships from a problem statement. One such question is the…
This section can be appended to the main article to provide readers with a conceptual understanding of Spring Batch and Quartz before diving into the implementation. Understanding Spring Batch Spring…
Description / Meta Description Learn how to build a generic enterprise-grade data synchronization framework using Spring Boot, Spring Batch, Quartz Scheduler, and H2 Database. This article provides a complete project…
Description / Meta Description Learn how Spring Batch and Quartz Scheduler can be combined to build scalable, fault-tolerant data synchronization applications. Understand Spring Batch metadata tables, Quartz scheduling tables, job…
Description / Meta Description Learn how Java 8 Functional Interfaces such as Function, Consumer, Supplier, Predicate, BiFunction, and BiConsumer evolved into the foundation of modern cloud-native microservices. Understand how Spring…
Description / Meta Description Learn CompletableFuture in Java from the ground up. Understand the evolution of asynchronous programming from Thread, Runnable, Callable, Future, ExecutorService, CompletableFuture, and Virtual Threads. Explore real-world…
