Roy Tutorials
Technical articles, tutorials, blogs in different technologies for developers. Articles, Tutorials, Blogs etc.
30/03/2026
Lightweight and Portable (No Installation) Screen Recorder 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...
Lightweight and portable Screen Recorder
https://roytuts.com/screen-recorder-light-and-portable/
23/10/2025
https://roytuts.com/spring-boot-microservices-orchestration-example/
Spring Boot Microservices Orchestration Example - Roy Tutorials 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.
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/
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
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
https://roytuts.com/how-to-map-custom-query-results-into-dto-in-spring-data-jpa/
How to map Custom Query Results into DTO in Spring Data JPA - Roy Tutorials 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
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