Roy Tutorials

11/04/2026

https://roytuts.com/spring-boot-microservices-choreography-example/

30/03/2026

https://youtu.be/V9uIZAZdnIE

Want to record your screen without installing heavy apps like OBS or Loom?1. Download the file2. Run it instantly - no installation needed3. Click record4. S...

18/02/2026

Lightweight and portable Screen Recorder

https://roytuts.com/screen-recorder-light-and-portable/

01/02/2026

https://tutroy.gumroad.com/l/iksrvd

23/10/2025

https://roytuts.com/spring-boot-microservices-orchestration-example/

Learn how to implement a simple end-to-end microservices orchestration architecture using Spring Boot. This step-by-step guide covers an Orchestrator, Inventory, and Payment service with code examples and workflow explanation.

21/10/2025

Map Custom Query Results to DTO in Spring Data JPA - https://roytuts.com/how-to-map-custom-query-results-into-dto-in-spring-data-jpa/

10/10/2025

Mocking Superclass Methods in JUnit with Mockito. Please check the link https://roytuts.com/how-to-mock-super-class-method-in-junit/ for more information. Thanks

05/10/2025

05/10/2025

Please check out the link for more information - https://roytuts.com/angular-reactive-forms-with-synchronous-and-asynchronous-validators/

Github code repo - https://github.com/roytuts/angular/tree/master/angular-reactive-form-synchronous-asynchronous-validators

26/09/2025

https://roytuts.com/angular-reactive-forms-with-synchronous-and-asynchronous-validators/

05/09/2025

https://roytuts.com/how-to-map-custom-query-results-into-dto-in-spring-data-jpa/

Introduction In this tutorial I will show you how to map custom query results into DTO in Spring Data JPA. Situations may occur while you are unable to