Infosys Interview :Java, Spring Boot, Microservices Questions Explained

Published: 17 November 2025
on channel: JAVA INTERVIEW BUDDY

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In this video, I’m sharing real Infosys Java interview questions faced by one of our subscribers, Prakash Reddy, who has 3.4 years of experience in Java, Spring Boot, and Microservices.
Infosys is hiring aggressively right now, and I’m receiving a huge number of interview questions from you all — so in this video, I’ll walk you through each question one by one in a simple, natural, and interview-friendly way.
Here’s what we cover:

Dependency Injection internal working

Spring Boot application startup flow

Difference between @Component, @Service, @Repository

HashMap vs ConcurrentHashMap

How Spring Boot auto-configuration works

How @Transactional works internally

Monolith vs Microservices

REST API internal flow

@Controller vs @RestController

@RequestParam vs @PathVariable vs @RequestBody

Global exception handling using @ControllerAdvice

@Bean vs @Component

Transaction propagation types (Required, Requires_New, Mandatory)

These are real mid-level questions you must know if you want to crack Infosys, TCS, Wipro, Cognizant, Capgemini, Accenture, and other similar companies.
If you faced any interview recently, you can share your questions using the form in the description.
And if you want to join mock interview sessions, use the same form to schedule one.

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