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Understanding and Using Optional in Java
Optional is a container object introduced in Java 8 that may or may not contain a non-null value. It helps avoid...
Using @Async in Spring Boot for Asynchronous Processing
Spring Boot provides the @Async annotation to execute methods asynchronously. This improves application performance by freeing up the main thread while...
Java Multiple Threading using CompletableFuture and allOf Method: A Comprehensive Guide with Examples
Java introduced the CompletableFuture class in version 8 as part of the java.util.concurrent package. This class enables asynchronous programming and allows...
Using @Modifying and @Transactional in Spring JPA
Spring Data JPA provides powerful annotations like @Modifying and @Transactional to perform update and delete operations efficiently. These annotations allow modifying...
A Complete Guide For CRUD Operations Using Spring JPA with Native Queries
Spring Data JPA provides an abstraction over traditional JPA, making database interactions easier. While JPA’s derived and JPQL queries are powerful,...
Using @Primary and @Qualifier in Spring Boot with Full Example
Spring Boot provides powerful dependency injection features, allowing developers to manage beans effectively. Two key annotations, @Primary and @Qualifier, help resolve...
How to Marshalling and Unmarshalling Java Objects
Introduction Marshalling and unmarshalling are essential processes in Java when working with object serialization and data exchange. Marshalling refers to converting...
Microservices Based System with API Gateway and Rate Limiting in Java
In modern application architectures, microservices provide scalability, modularity, and ease of development. To manage communication between services and ensure security, an...
Java Microservice with Authentication and User Interface
Microservice architecture, integrating a user interface (UI) involves designing a dynamic frontend that interacts seamlessly with the backend microservices. The UI...