java

A practical deep dive into Java 25 JVM and performance improvements, including compact object headers, ahead-of-time profiling, JFR upgrades, and generational Shenandoah.

A deep dive into the key language changes in Java 25, including module import declarations, compact source files, flexible constructor bodies, and primitive patterns.

A practical overview of Java 25 (JDK 25), covering the biggest language, JVM, concurrency, GC, JFR, and security changes from the official OpenJDK release.

Build a comprehensive testing strategy for your video platform — JUnit + Mockito unit tests, Spring Boot test slices, Testcontainers for Postgres/Redis, Playwright E2E tests, and Stripe webhook testing.

Harden your video platform with rate limiting, HLS AES-128 encryption, CORS/CSP headers, Redis caching, Next.js ISR, and email notifications for production readiness.

Deploy your video streaming platform to production — Docker Compose for all services, Nginx SSL reverse proxy, Flyway migrations, automated backups, deploy scripts, and Spring Boot Actuator monitoring.

Build an admin analytics dashboard with Spring Boot and React — revenue metrics, subscriber charts with Recharts, popular lessons, completion rates, user management, and manual access grants.

Build a server-rendered course catalog with Next.js — SEO-optimized pages with generateMetadata(), JSON-LD structured data, free preview lessons, enrollment flow, and responsive course grid.

Integrate Stripe subscriptions with Spring Boot — Checkout sessions, webhook handlers, subscription lifecycle management, Customer Portal, and access gating for paid content.

Build a custom React video player with hls.js for adaptive streaming, quality selection, playback speed controls, resume from last position, and debounced progress saving with sendBeacon.