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Spring Java Lab – Java, Spring Boot & Microservices Tutorials

Learn Java (Core to Java 21 & 25), Spring Boot, Microservices, Spring Batch, and Performance Optimization with practical, production-ready examples and interview-focused explanations.

☕ Start Java 💼 Interview Prep 🚀 Spring Boot

Who Is Spring Java Lab For?

👶 Beginners & Students

Learn Java basics, programs, collections, streams, and clear explanations with runnable examples.

👨‍💻 Working Developers

Spring Boot, Microservices, Batch jobs, security, performance tuning, and real-world design.

🎯 Interview Preparation

Java interview questions, system design, concurrency, coding problems, and modern Java topics.

Core Learning Areas

☕ Java Core & Modern Java

Java basics, streams, memory, Java 21 & Java 25 features.

🚀 Spring Boot & APIs

REST APIs, validation, JPA, security, and production patterns.

📦 Spring Batch

CSV processing, retries, skips, parallel steps, listeners.

🧪 Java Coding Problems

Arrays, strings, numbers, patterns & logic-building programs.

Trending & High-Value Topics

• Java 25 New Features & Migration Guide
• Java Virtual Threads – Benchmarks & Pitfalls
• Structured Concurrency in Java 25
• Spring Boot Microservices Architecture
• Spring Boot Performance Tuning

📺 Spring Java Lab on YouTube

Watch step-by-step Java, Spring Boot, and Spring Batch coding sessions.

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