21 articles in this category
Five Java backend courses and bootcamps compared on depth beyond syntax, real project work, interview readiness, and honest cost. Which suits your situation, what each leaves out, and when another course is not the answer.
How to use @PathVariable in Spring Boot, with runnable examples covering multiple variables, optional values, regex patterns, type conversion errors, validation, and when to use @RequestParam instead.
Docker has changed the way we build, run, and scale applications. It lets you package your app with everything it needs, so it runs the same everywhere, on your computer, on someone else’s, or on a server. In this blog, we will see how to containerize a Spring Boot application using Docker, step by step.
This is the most comprehensive guide to Java backend development online. You will learn Java for the backend from scratch to an advanced level, and build a real API along the way.
The JDK builds Java code, the JRE runs it, and the JVM executes it. Here is what each one contains, how they nest inside each other, why the JVM is the platform-dependent part, and which one you actually need to install.
Redis turns repeated database reads into memory reads, and Spring Boot wires it up with three annotations. This guide runs Redis in Docker, configures the cache manager, caches a real service method, and covers the four mistakes that quietly stop a Spring Boot Redis cache from working.