Before you touch a database or an API endpoint, you need the foundation. Many developers skip this and pay for it later with memory leaks and race conditions.
How GFG helps: GFG’s Java tutorials break down the "boring but vital" concepts that other platforms gloss over: GeeksForGeeks - JAVA Backend Development
GFG Tip: Search for "Java Concurrency Cheat Sheet" on GFG. Bookmark it. You will reference it before every system design interview. Before you touch a database or an API
This section is often skipped in "bootcamp" style courses, but GFG retains it for a reason: You cannot master frameworks until you understand the problems they solve. GFG Tip: Search for "Java Concurrency Cheat Sheet" on GFG
The GeeksforGeeks Java Backend Development course is designed to take a student from basic programming knowledge to a professional-level backend engineer. It focuses heavily on the Spring Ecosystem, which is the industry standard for Java web development.