Learn how to configure Java RMI and Hessian remoting in Spring Boot 2 with RmiServiceExporter, HessianServiceExporter, and their proxy factory beans. Includes server and client configuration, shared interface setup, and a comparison table.
Learn how to add JSONP support to Jersey JAX-RS REST APIs using the @JSONP annotation and a manual callback wrapper. Includes curl testing, browser script-tag usage, XSS security validation, and a JSONP vs CORS comparison.
Compare Maven Shade Plugin fat JARs, Spring Boot executable JARs, and jpackage native installers — with full Maven configurations, build commands, a side-by-side comparison table, and pitfall guide.
Learn how to create Spring beans using static factory methods with @Bean configuration and XML. Covers third-party class registration, profile-based implementations, construction-time validation, and JUnit testing.
Prepare for your Java interview with the top 40 Spring MVC interview questions and answers covering DispatcherServlet, annotations, REST, validation, exception handling, and more — from beginner to advanced.
A complete guide to consuming REST APIs with the Jersey Client API: GET, POST, PUT, DELETE requests, JSON handling, query parameters, headers, authentication, and error handling — with annotated Java code and sample output.
Learn how to implement ETag cache control in Spring Boot REST APIs: ShallowEtagHeaderFilter, manual checkNotModified(), conditional PUT with If-Match, optimistic locking, and strong vs weak ETags — with curl test examples.
Learn how to convert LocalDate to ZonedDateTime in Java and back: atStartOfDay(), atTime(), UTC conversion, DST-safe patterns, and a real-world date-range query example across timezones — with annotated code and a quick-reference table.
Learn every way to convert LocalDateTime to ZonedDateTime in Java: atZone(), atOffset(), UTC conversion, DST gap and overlap handling, and reverse conversion back to LocalDateTime — with annotated code and a complete reference table.
Build a complete file-upload REST endpoint with Jersey 3.x: single file, multiple files, HTML form testing, curl commands, file-size limits, and a download endpoint. Includes production-hardening tips for cloud storage and MIME validation.