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100 Spring Boot Interview Questions with Answers for 2 to 5 Years Experienced Java Developers
Master your Spring Boot interviews with this comprehensive guide. It includes 100 most commonly asked Spring Boot interview questions and answers.
Munaf Badarpura
Jul 11, 2025
Top Java Frameworks You Must Know In 2025
Discover the top Java frameworks every developer should know in 2025, from Spring Boot and Hibernate to JUnit, Kafka, and Micronaut. Build faster and smarter with these powerful tools.
Munaf Badarpura
Jul 08, 2025
What Does a Java Developer Do? 1 Year to 8+ Years Experience
Curious what a Java developer really does? Learn their daily tasks, responsibilities, career paths, and how they build real-world applications using Java, Spring Boot, and more.
Munaf Badarpura
Jul 08, 2025
Learn Java In 30 Days : Study Plan
Learn Java in 30 days with this structured study plan. Follow this 30-day Java study plan covering everything from fundamentals, OOP, collections, to advanced Java concepts.
Munaf Badarpura
Jul 07, 2025
How To Make Money As A Java Developer
Learn the Top ways to make money as a java developer. From full-time jobs to freelancing, blogging, and building your own products.
Munaf Badarpura
Jul 07, 2025
Sending Emails through Spring Boot Application
Learn How to Send Emails in Spring Boot with JavaMailSender. Step-by-step guide to implement email integration using Spring Boot Starter Mail for real-world applications.
Munaf Badarpura
Jul 05, 2025
Understanding the Internal Working of Spring Boot
Understand the Internal Working of Spring Boot. Learn how auto-configuration, starter dependencies, embedded servers, and externalized configurations simplify Java development.
Munaf Badarpura
Jul 05, 2025
Top 10 JPA Annotations In Spring Boot
Learn the Top 10 Essential JPA Annotations for Spring Boot. Master how to map Java classes to database tables, manage relationships, and simplify database operations without writing SQL.
Munaf Badarpura
Jul 05, 2025
Top 15 Essential Spring Boot Annotations for Interviews and Real-World Projects
Learn the Top 15 Essential Spring Boot Annotations with real-world examples. Master how, where, and why to use them for building scalable, production-ready Java applications.
Munaf Badarpura
Jul 05, 2025
Best Practices for Writing Spring Boot APIs
Learn Spring Boot API Best Practices to build scalable, secure, and production-ready REST APIs with proper naming, status codes, DTOs, validation, and exception handling.
Munaf Badarpura
Jul 05, 2025
Spring Boot Folder Structure (Best Practices)
Learn the best Spring Boot project structure for clean, scalable, and production-ready applications. Organize your codebase with real-world folder structure examples.
Munaf Badarpura
Jul 05, 2025
SAGA Pattern in Microservices with E-commerce Example
Learn the Saga Pattern in Microservices with a Real-World E-commerce Example. Understand how to handle distributed transactions using choreography and orchestration, the pros and cons of 2PC, 3PC, and why Saga is the better solution for data consistency in microservices.
Santosh Mane
May 13, 2025
CQRS Design Pattern in Microservices Architectures
Learn CQRS (Command Query Responsibility Segregation) design pattern with a real-world e-commerce microservices example. Understand how separating read and write operations improves performance, scalability, and system architecture. Ideal for developers building scalable applications.
Santosh Mane
May 12, 2025
SOLID Principles in Programming: Understanding with Real Life Examples.
Learn SOLID principles in Programming with real-life examples. Build clean, maintainable, scalable code for robust applications.
Santosh Mane
May 12, 2025
Top 50 Java Interview Questions and Answers That You Must Know
Looking for a resource to cover the top Java Interview questions before your next interview? You are at the right place. This article covers key topics such as Core Java, OOPs concepts, Java 8+ features, and the Collection Framework, helping readers prepare effectively for Java-related job interviews.
Shreya Adak
Feb 14, 2025
A Complete Guide to Java Collection Framework : Java Tutorial
Let's explore the key collection types like List, Set, Map, and Queue. It covers essential concepts such as iterators, sorting, searching, and thread-safe collections, helping developers efficiently manage and manipulate data in Java applications.
Shreya Adak
Feb 14, 2025
Top 8 Features of JDK 17 That You Must Know: LTS, Features & Performance In Java
This article explores JDK 17's key features, including sealed classes, pattern matching for switch, and macOS AArch64 support, along with major improvements, deprecations, and removals in this LTS release.
Shreya Adak
Feb 14, 2025
How JVM Works Internally - JVM Architecture
This article breaks down the key components of the Java Virtual Machine (JVM), including Class Loader, Memory Management, and Execution Engine, to help you understand how Java applications run efficiently across platforms.
Shreya Adak
Feb 14, 2025
A Complete Guide to String, StringBuffer and StringBuilder in Java
This article explores Strings in Java, focusing on immutability, memory management, and performance. It also compares String, StringBuilder, and StringBuffer, highlighting their key differences in mutability and thread safety.
Shreya Adak
Feb 14, 2025
Difference Between @Controller And @RestController In Spring Boot
This article explains the differences between @Controller and @RestController in Spring Boot. It covers their use cases, response handling, and how to choose the right annotation for web applications and RESTful APIs.
Shreya Adak
Feb 14, 2025
Java Flow Control: A guide to understand the If-else and Loops in Java
This article provides an in-depth exploration of Java flow control statements, covering decision-making, looping, and branching mechanisms. With clear explanations, syntax examples, and practical applications, it serves as a valuable resource for both beginners and experienced developers aiming to enhance their Java programming skills.
Shreya Adak
Feb 14, 2025
A Comprehensive Guide To Java Completable Future
This article explores CompletableFuture in Java, a key feature introduced in Java 8 for simplifying asynchronous programming. It covers how CompletableFuture enables non-blocking execution, task composition, and parallel task handling, making it ideal for creating scalable, high-performance applications.
Shreya Adak
Feb 14, 2025
Top 20 Microservice interview questions for Advanced Spring Boot Developers in 2025
This blog covers the top 20 microservices interview questions, providing clear explanations and examples to help you prepare for your Spring Boot interviews. Topics range from the fundamentals of microservices architecture to advanced concepts like service discovery, API gateways, and distributed tracing.
Santosh Mane
Jan 31, 2025
Top 10 Must-Know Spring Boot Concepts for Java Developers
Want to become a Java Developer? Here are the top 10 Spring Boot concepts you must know in 2025.
Santosh Mane
Jan 31, 2025
Top 6 Spring Boot Annotations Every Spring Boot Developer Need to Know in 2025
In this blog I have listed six essential Spring Boot annotations every developer should know in 2025. It covers key annotations like @SpringBootApplication, @RestController, and @Async and many more, helping you streamline development and improve application efficiency.
Santosh Mane
Jan 31, 2025
Understanding The @async Annotation In Spring Boot
In this blog, I'll provide a simple guide to using the @Async annotation in Spring Boot, helping you improve application performance by running tasks asynchronously. I will also cover setup, usage, and best practices for efficient thread management and error handling.
Santosh Mane
Jan 31, 2025
Best Way To Master Spring Boot - A Complete Roadmap in 2025
This blog is a complete roadmap to mastering Spring Boot, breaking down complex concepts into simple, structured phases. Whether you're a beginner or someone struggling with overwhelming documentation, this guide will help you navigate Spring Boot efficiently and build real-world applications with confidence.
Santosh Mane
Jan 31, 2025
![How To Become A Fullstack Java Developer in 2025: [Complete Roadmap and Resources]](https://cs-prod-assets-bucket.s3.ap-south-1.amazonaws.com/fullstack_developer_roadmap_thumbnail_4f68293fc1.png "How To Become A Fullstack Java Developer in 2025: [Complete Roadmap and Resources]")
How To Become A Fullstack Java Developer in 2025: [Complete Roadmap and Resources]
Whether you're a fresher or an experienced developer looking to upskill, this guide will help you navigate the journey toward becoming a proficient full-stack developer. This blog provides a clear roadmap to becoming a full-stack developer, covering essential front-end, back-end, database management, and cloud deployment skills.
Santosh Mane
Jan 31, 2025
Step by Step guide to Deploy a Spring Boot App on AWS Elastic Beans stalk
This step-by-step guide walks you through deploying a Spring Boot application on AWS Elastic Beanstalk. It covers the essential setup, including configuring the environment, IAM roles, and database integration, ensuring a seamless deployment. By the end, you'll have your Spring Boot app running on AWS with auto-scaling and load balancing capabilities.
Santosh Mane
Jan 06, 2025
Top 5 Spring Boot Training courses in 2025
This blog highlights the top 5 Spring Boot courses to help developers, from beginners to seasoned professionals, master the framework and enhance their skills. Each course offers unique insights and hands-on experience, making them valuable resources for anyone looking to excel in Spring Boot and backend development.
Santosh Mane
Jan 06, 2025
Why do the big tech companies choose Spring Boot to build their Microservice Application?
This blog explores why major tech companies like Netflix, Uber, and Intuit choose Spring Boot for their microservices applications. It highlights key benefits such as streamlined development, robust ecosystem support, cloud-native readiness, and scalability. Discover how Spring Boot's productivity-boosting features and strong community make it the go-to framework for large-scale systems.
Santosh Mane
Jan 06, 2025
Top 10 Spring Boot Open-source Projects in 2025 to learn best-practices.
This blog showcases the top 10 Spring Boot open-source projects on GitHub in 2025, perfect for gaining practical insights into building production-ready applications. From microservices to enterprise apps, these projects offer diverse use cases, clean code, and active communities. Dive in to explore best practices and advance your Spring Boot skills!
Santosh Mane
Jan 06, 2025
Spring Security is Really Not that Hard. Internal working of Spring Security
This blog simplifies the inner workings of Spring Security, explaining key concepts like authentication, authorization, and filters. It covers the default behavior when adding spring-boot-starter-security, the role of DaoAuthenticationProvider, and the authentication flow, including how user credentials are validated and secured using JWT.
Santosh Mane
Jan 06, 2025
Is learning and mastering Spring & Spring boot worth it in 2025 ?
This blog explores the enduring relevance of Spring and Spring Boot in 2025, highlighting their role in enterprise-grade applications, microservices, and modern development practices. It provides insights into why mastering these frameworks is essential for career growth, offering unmatched reliability, flexibility, and productivity in the Java ecosystem.
Santosh Mane
Jan 06, 2025
How to work with Apache Kafka in Spring Boot
This article explores Apache Kafka, highlighting its high-throughput, low-latency real-time data processing capabilities and integration with Spring Boot. It covers Kafka's architecture, fault tolerance, and the transition to KRaft mode for improved scalability in modern distributed systems.
Shreya Adak
Dec 17, 2024
Top 5 Spring Boot Project Ideas
This blog presents the Top 5 Spring Boot Project Ideas with detailed descriptions, essential features, and recommended technologies. Whether it's an E-Commerce platform, Food Delivery System, or Online Examination System
Santosh Mane
Dec 14, 2024
Top 20 Spring Boot Interview Questions for 3 years of experience Professionals
Master your Spring Boot interviews with this comprehensive guide! Designed for professionals with 3 years of experience, this blog covers 20 essential questions and answers
Santosh Mane
Dec 14, 2024
Top 10 Java 8 Interview Questions
Prepare for your next Java interview with this comprehensive guide to the top Java 8 features, including Lambda Expressions, Streams API, Optional Class, Default Methods, and more
Santosh Mane
Dec 14, 2024
How to setup Docker compose for a basic Spring Boot Application
Learn how to containerize a Spring Boot application and its dependencies using Docker Compose. This blog covers creating a simple Spring Boot project with PostgreSQL, writing a Dockerfile for containerization, configuring docker-compose.yml for multi-container orchestration
Santosh Mane
Dec 14, 2024
How is the Coding Shuttle Spring Boot 0 to 100 Course the Best resource in 2025?
Master backend development in 2025 with the Coding Shuttle Spring Boot 0 to 100 Course by Anuj Bhaiya. From fundamentals to advanced microservices
Santosh Mane
Dec 14, 2024
Top 8 Design Patterns in Java Every Developer Should Know
This article explores popular design patterns like Singleton, Factory, Builder, and others, explaining when and how to use them. These patterns enhance code flexibility, modularity, and maintainability by addressing recurring development challenges.
Shreya Adak
Dec 12, 2024
How to handle exceptions in Spring Boot
This article discusses common exceptions in Spring Boot, such as HttpRequestMethodNotSupportedException and DataIntegrityViolationException, and the use of @RestControllerAdvice for centralized handling. It provides best practices and examples to build secure, robust applications.
Shreya Adak
Dec 12, 2024
What is Spring Boot
This article explores how Spring Boot enables developers to build production-ready applications efficiently, with seamless integration into the Spring ecosystem and support for microservices. It highlights the features, benefits, and real-world applications that make Spring Boot a popular choice for developers.
Shreya Adak
Dec 11, 2024
How Spring Boot Powers Applications Like Uber and LinkedIn
This article highlights how Spring Boot enables scalable, secure backend systems for applications like Uber and LinkedIn. It explores key features such as microservices, secure authentication, real-time notifications, and integrations with tools like PostgreSQL, Kafka, and Docker.
Shreya Adak
Dec 07, 2024
How to Master Spring Boot in 100 Days: Study Plan
Master Spring Boot in just 100 days with this structured study plan! Designed for beginners and intermediate learners
Santosh Mane
Dec 07, 2024
Top 5 challenges Student face in Learning Spring Boot
Spring Boot simplifies Java application development but poses unique challenges for students, especially beginners. This article highlights the top 5 challenges learners face
Santosh Mane
Dec 07, 2024
20 Most Asked Spring Boot Interview Questions
Prepare for your Spring Boot interviews with our curated list of the 20 Most Asked Spring Boot Interview Questions. Designed to boost your confidence
Santosh Mane
Dec 07, 2024
Essential Tools Every Spring Boot Developer Should Know
This article provides a curated list of essential tools for Spring Boot developers, covering development, testing, database management, API development, deployment, security, and productivity. It offers brief explanations of each tool's use case, helping developers streamline their workflow and enhance project efficiency.
Shreya Adak
Dec 07, 2024
Top 5 Spring Boot Libraries You Need to Know About
This article covers five essential Spring Boot libraries: Starter Web, Data JPA, Security, Lombok, and Validation. It explains their features, benefits, and integration examples for simplified development and enhanced functionality.
Shreya Adak
Dec 07, 2024
Operating Systems In One Shot
Cover the complete Operating Systems In One Go, Best suited for last minute prep for your Interviews or University exams. Cheers!
Anuj Kumar Sharma
Sep 29, 2024