ADevGuide Core Guides
Production-focused Spring Boot implementation guides and interview-ready backend explanations.
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An Easy Step-By-Step Guide to Changing Server Port in a Spring Boot Application [4 Ways]
Series: Spring Boot Mastery Series
Learn 4 ways to change server port in Spring Boot: application properties, YAML config, command-line arguments, and programmatic setup with code examples.
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Spring Boot @Valid vs @Validated: Key Differences
Series: Spring Boot Mastery Series
Learn Spring Boot @Valid vs @Validated differences, validation groups, nested validation and when to use each with controller and service examples.
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Top Spring Boot Interview Questions and Answers
Series: Spring Boot Mastery Series
Prepare with top spring boot interview questions and answers covering auto-configuration, starters, Actuator, dependency injection and REST APIs for 2026.
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API Rate Limiting: Complete Guide with Spring Boot Implementation
Series: Spring Boot Mastery Series
Learn API rate limiting strategies, algorithms, and implementation using Spring Boot. Discover how companies like Twitter and GitHub protect their APIs.