Java Interview Questions

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Top Java Interview Questions for 5 Years Experience (2026 Guide)

Top Java interview questions for 5 years experience including Java developer interview questions, Core Java interview questions, Spring Boot interview questions, and Java coding interview questions. Prepare for your next interview with real-world examples and expert answers.

Java Interview Topics for 5 Years Experience

Looking for Java interview questions for 5 years experience ? This guide covers Core Java, Spring Boot, Microservices, and real-world Java developer interview questions asked in top companies.

Category Topics
Core Java Exceptions | OOPs | Stream API | Collections
Spring Boot Annotations | REST APIs | Spring Data JPA
Microservices Architecture | API Gateway
DevOps Docker | Kubernetes
Database SQL | Joins

Exceptions

ANSWER HERE

OOPs Concepts

OOPs includes Encapsulation, Inheritance, Polymorphism, and Abstraction.

Stream API

Stream API is used to process collections in a functional programming style.

Collections Framework

Includes List, Set, Map, and Queue for storing data efficiently.

Spring Boot Annotations

Common annotations include @RestController, @Autowired, @Service.

REST APIs

REST APIs allow communication using HTTP methods like GET, POST.

Spring Data JPA

JPA simplifies database operations using ORM.

Microservices Architecture

Microservices break applications into small independent services.

API Gateway

API Gateway manages requests and routing in microservices.

Docker

Docker is used for containerizing applications.

Kubernetes

Kubernetes manages containerized applications at scale.

SQL

SQL is used to manage and query relational databases.

Joins

Joins combine data from multiple tables.

Frequently Asked Questions (FAQ)

These include Core Java, Spring Boot, multithreading, collections, and real-world coding interview questions.

Yes, Spring Boot is widely used in industry and most companies expect strong knowledge of it.

You should prepare Core Java, OOPs, collections, multithreading, Spring Boot, REST APIs, and database concepts.

Practice coding, understand concepts deeply, revise frequently asked questions, and work on real projects.

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