REST API
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Enterprise Java
Implementing API Versioning in Spring
APIs must evolve as business requirements change, but breaking existing consumers is rarely acceptable. A clear versioning strategy enables services…
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Core Java
Apache POI HSSFWorkbook: Read, Write, and Stream Excel
Working with Excel files is a common requirement in enterprise Java applications, whether for reporting, data exchange, or bulk uploads.…
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Enterprise Java
Feign HTTP GET Request Body Example
Feign is a declarative HTTP client in the Spring ecosystem that simplifies calling external APIs. While Feign makes it easy…
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Core Java
Beyond REST: GraphQL APIs in Java for Flexible Data Access
For years, REST APIs have been the standard for building backend services in Java. They’re simple, well-understood, and widely adopted.…
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Core Java
GraphQL vs. REST in Enterprise Java Applications: Designing Flexible APIs for Modern Frontends
As enterprise applications evolve, so do the expectations of frontend teams. With SPAs, mobile clients, dashboards, and micro frontends growing…
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Core Java
Implementing gRPC to REST Gateway in Java
gRPC is an efficient binary protocol ideal for internal microservices communication. However, many clients and partners still expect RESTful APIs…
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Core Java
Hibernate Panache Example
Hibernate ORM with Panache is a modern, simplified way to use Hibernate in Java applications. Built into the Quarkus framework,…
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Enterprise Java
Choosing Between Resource, EntityModel & RepresentationModel in Spring HATEOAS
When building hypermedia-driven REST APIs using Spring HATEOAS, a critical decision is how to model your API responses — especially…
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Software Development
Why HAL-Forms (_templates) Slow Down Your API Responses
In the world of REST APIs, HATEOAS (Hypermedia as the Engine of Application State) remains one of the more ambitious…
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