Welcome to Spring Java Lab 🌱

Master Java, Spring Boot, and Spring Batch through real-world guides, hands-on projects & interview-focused tutorials.

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From OOPs to Streams, Java 8 to Java 21 — everything you need for interviews and mastery.

Build REST APIs, connect to DBs, and handle exceptions like a pro.

CSV import, validation, skip logic — learn Spring Batch with clarity.

Top questions on Collections, Threads, Streams, and Java 21 features.

Solve key logic-based Java programs asked in technical rounds.

Guide to transitions, decisions, and exit statuses in Spring Batch jobs.

Centralize error handling using @ControllerAdvice and @ExceptionHandler.

Covering pattern matching, records, switch enhancements and more.

Get hands-on walkthroughs, visual explanations & real project coding tutorials.