Java

Build resilient Java microservices with 10 proven patterns: circuit breakers, retries, bulkheads, and more. Learn practical techniques to prevent cascading failures and create fault-tolerant systems.

Learn Java memory management best practices with JVM garbage collector tuning, heap optimization, and allocation profiling techniques for better performance and stability.

Learn 10 essential Java frameworks with practical examples. From Spring Boot's rapid development to Quarkus native compilation - choose the right tool for your project. Compare features now.

Discover Java 17+ game-changing features: sealed classes, pattern matching, records, virtual threads & more. Modern Java tools for cleaner, safer code. Start upgrading today!

Transform old Java code into modern, readable applications. Learn 10 practical refactoring techniques using Java 8+ features like records, streams, and pattern matching to boost maintainability.

Master Java Stream API operations with practical examples and best practices. Learn lazy evaluation, parallel processing, file handling, and performance optimization techniques for cleaner, more efficient Java code.

Master Java concurrency with ExecutorService, CompletableFuture, and virtual threads. Learn thread pools, async programming, and concurrent collections to build faster, scalable applications. Code examples included.

Learn advanced Java database techniques beyond basic CRUD. Master connection pools, prepared statements, transactions, batch operations, and error handling for robust, scalable applications.

Master Java observability with metrics, traces, and logs. Learn Micrometer, Spring Cloud Sleuth, and structured logging to monitor production apps effectively.

Learn to optimize Java applications for containers. Avoid memory issues, slow startups, and unexpected kills with proper JVM tuning, Docker optimization, and container best practices.

Learn Java HTTP API integration with practical techniques - from basic HttpClient to async calls, JSON parsing, testing with MockWebServer, and error handling. Build robust connections.

Learn essential Java security practices to protect your applications from common vulnerabilities. Secure input validation, SQL injection prevention, password hashing, and dependency management guide.