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Enterprise Java
Guice @Provides vs Provider Classes
Guice is a fast, modular, and annotation-driven dependency injection framework developed by Google for Java applications. It simplifies the process…
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Software Development
Fine-Grained Access Control with Open Policy Agent (OPA) and Rego
Implement secure, decoupled authorization logic using policy-as-code. In modern software systemsāespecially distributed architectures like microservices, cloud-native apps, and Kubernetesāauthorization is…
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Core Java
Java Stream Gatherers Example
Javaās Stream API, introduced in Java 8, transformed the way we process collections. With expressive, functional-style operations like map, filter,…
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Enterprise Java
Top Spring Boot 3.2 Interview Questions and Answers (2025 Edition)
Stay ahead with the latest features and patterns in the most popular Java framework. Spring Boot remains the most in-demand…
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Core Java
Compile Java Code with Java Compiler API
Java is traditionally compiled using command-line tools like javac. However, Java 6 introduced the Java Compiler API (JSR 199), which…
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Enterprise Java
JSP Call Java Class Example
In Java-based web applications, JSP (JavaServer Pages) is used to present dynamic content to users. Often, you need to invoke…
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Enterprise Java
Implementing CQRS and Event Sourcing with Axon Framework in Spring
Modern enterprise applications often require complex consistency, scalability, and traceability features. This is where CQRS (Command Query Responsibility Segregation) and…
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Enterprise Java
Serverless Spring Boot on AWS Lambda Using SnapStart
Running Spring Boot on AWS Lambda used to be a cautionary tale because of cold startsāthe time it takes to…
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Core Java
How to Map Nested Properties Using MapStruct
This article explores how to perform nested mapping using the MapStruct library. Nested mapping is a common requirement in enterprise…
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