Top Java Interview Questions to Get You Hired – 2025 | What is @Qualifier Annotation in Spring Boot?

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In this Shorts video, you will learn one of the most commonly asked Spring Boot interview questions — What is the @Qualifier annotation and why do we use it?
This question is frequently asked in Amazon, TCS, Infosys, Accenture, Cognizant, Wipro, and other top MNC interviews.
@Qualifier is used when we have multiple beans of the same type and Spring doesn't know which one to autowire.
Using @Qualifier("beanName"), we can tell Spring exactly which bean to inject — preventing the NoUniqueBeanDefinitionException.
This concept is very important for:
✔ Dependency Injection
✔ Avoiding Multiple Bean Conflict
✔ Writing Clean & Maintainable Spring Boot Code
✔ Cracking Java/Spring Boot Interviews in 2025
Watch the video till the end to understand clearly in simple terms!
@Qualifier in Spring Boot is used when multiple beans of same type exist. It helps Spring choose the correct bean & avoid conflicts. A must-know interview topic for 2025 Java developers!

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