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What Is a DTO? (And Why You Shouldn’t Return Your Entities in Spring Boot)
When building REST APIs with Spring Boot, it’s common to see beginners return entities directly from their controllers. At first glance, this seems fine—the data flows, the response looks right, and everything “just works.” But what happens when your entity evolves? When sensitive fields accidentally get exposed? Or when lazy-loaded relationships break your JSON?
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Getting Started with Spring Boot: Build a Task Manager App from Scratch
Spring Boot is the industry-standard framework for building modern Java applications. It dramatically reduces boilerplate code, accelerates development, and is battle-tested for microservices and monoliths alike. If you’re new to the Spring ecosystem, this post will walk you through everything you need to start building.
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Building a Data Pipeline with Apache Camel: Processing Weather Data from AWS SQS
Learn how to build a scalable data pipeline with Apache Camel, AWS SQS, and PostgreSQL – Step by Step
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How OAuth2 Differs from API Keys: Understanding Secure API Authentication
Learn the key differences between OAuth2 and API Keys for secure API authentication
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What is an API? Understanding the Basics for Beginners
Learn what an API is, how it works, and why it’s essential for modern software development
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The Evolution of System Integration: From SOAP to REST to Event-Driven Architectures
Explore the evolution of system integration: from SOAP to REST to Event-Criven Architectures
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The Importance of API Security in Modern Software Integration
Discover common API security threats and best practices to protect your systems effectively
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Introduction to MuleSoft: Unlocking Enterprise Integration
Master enterprise integration with MuleSoft: explore Anypoint Platform, Mule ESB, and build your first API
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Handling Exceptions in Spring Boot Applications
Master Spring Boot exception handling: global handlers, custom errors, and best practices for secure, user-friendly apps
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What is Spring Boot? A Complete Guide to Simplifying Java Development
Discover how Spring Boot simplifies Java development with embedded servers, starter dependencies, and microservices-ready features