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    • DSA
      • Big O Basic Concepts
    • Java
      • What is JDK?
      • Platform Independency of Java
      • What exactly Object in Java?
      • OOPs Principles
      • 🔐 Encapsulation in Java – Explained Simply
      • đŸ§Ŧ Inheritance in Java – Explained Simply
      • 🌀 Polymorphism in Java – Explained Simply
      • 🧊 Abstraction in Java
      • ⚖ī¸ Interface vs Abstract Class in Java
      • Basic building blocks of Java program
      • Static vs Non-Static members in Java
      • Constructor vs Method in Java
      • Primitive Data Types in Java
      • Type Casting in Java
      • Java Identifiers & naming conventions
      • Keywords in Java
      • Wrapper Classes | Autoboxing | Unboxing | Java
      • Increment & Decrement Operators in Java
      • Arithmatic Operators In Java
      • Bitwise Opertator In Java
      • Short Circuit Operators In Java
      • Ternary Operator In Java
      • .equals() Vs ==
      • How HashMap works Internally?
      • How do we sort list of Objects in Java?
      • Compile Time vs Runtime In Java
      • Collection Interface
      • List Interface
      • LinkedList in Java
      • ArrayList Vs LinkedList Vs Vector
      • Set Interface & its implementations
      • Map Interface & Implementations
      • Queue Interface
      • Concurrent Collections in Java
      • Exception in Java
      • Threading in Java
      • String in Java?
      • Enum in Java
      • 🧩 What are Design Patterns?
      • 🌟 Top Features of Java 8
      • 🔹 What is a Lambda Expression?
      • Lambda Sample Examples
      • 🧩 What is a Functional Interface?
      • 🔍 What is a Predicate?
      • 🔧 What is a Method Reference?
      • 🔹 What is the Stream API?
      • Stream API Sample Examples
      • 🔹 What is Optional?
      • 🔧 Core Stream Functions in Java Lambda Processing
    • Python
    • System Design
      • What is Distributed System?
      • Five essential steps for System Design
      • RAID in System Design
      • Consistent Hashing
      • CQRS (Command Query Responsibility Segregation)
      • ✅ HTTP vs HTTPS
      • Decomposing Monolithic to Microservices: Best practices
      • Object Store Vs Document Store
      • What is Elastic Search?
      • CDN Vs API Gateway
      • Load Balancers Vs API Gateways
      • Latency vs Throughput
      • ⏱ī¸ Standard Latency Benchmarks in System Design
      • High Level Design (HLL) vs Low Level Design (LLD)
      • ⚖ī¸ CAP Theorem – Explained Simply
      • 🌐 What is Partition Tolerance in CAP Theorem?
      • 🧩 Enterprise Integration Patterns (EIP)
      • 🔁 High Availability (HA) vs đŸ”ŧ Scalability
      • Apache Camel
      • SOLID Principles
      • 🔐 What is OAuth 2.0?
      • ✅ What is a JWT (JSON Web Token)?
    • Spring Boot
      • Inversion of Control (IoC) & Dependency Injection
      • 🔒 Step-by-Step HTTPS Request Flow in Spring Boot
      • 🚀 What is a Spring Boot Starter?
      • @Controller Vs @RestController
      • @RequestMapping Vs @GetMapping
      • REST API Using Spring Boot: Create, Read, Update, Delete (Step-by-Step)
      • đŸ“Ļ What is Spring Data JPA?
      • 🌐 What is a REST Client?
      • 🔐 What is Spring Security? How to Implement Spring Security in Spring Boot?
      • 🌱 What are Spring Profiles?
      • ❤ī¸ What is a Health Check & Metrics In Spring Boot?
      • 📝 Logging in Spring Boot
      • đŸŒŋ What is Thymeleaf?
      • Spring Framework VS Spring Boot
      • 🚀 Database Caching In Spring Boot?
      • ⚙ī¸ What is Spring Batch?
      • Messaging and Spring JMS with Spring Boot
      • Apache Kafka with Spring Boot
      • Swagger Documentation with Spring Boot
      • ✅ What is Pagination?
      • ✅ CrudRepository vs JpaRepository
      • ✅ How Rollback Works in Spring Boot?
      • Input Validation in REST API (Spring Boot)
      • ✅ Session Management in Spring Boot
      • SonarQube integration with Spring Boot
      • REST API Fallback mechanism!
      • Spring Boot REST API : Upload & Download files
      • đŸ“Ļ What is MultipartFile?
      • Spring Boot & MongoDB integration
      • 🧠 AOP in Spring Boot
      • Quick Interview Questions
    • MySQL
      • Database Normalization
      • Database Schema Design - Best Practices
      • How to Choose between SQL vs NoSQL databases?
    • Apache Kafka
      • đŸ“Ŧ What is a Message Broker?
      • Apache Kafka vs Apache Camel
      • How Kafka prevents duplicates?
    • AWS
      • ☁ī¸ What is AWS?
      • 🌍 AWS Global Infrastructure?
      • 🔐 What is AWS IAM?
      • đŸ–Ĩī¸ What is Amazon EC2?
      • 🧩 What Are EC2 Instance Types?
      • 🔐 What are Security Groups?
      • 💰 EC2 Purchasing Options
      • Elastic Block Storage (EBS)
      • 📸 What is an EBS Snapshot?
      • đŸ–ŧī¸ What is Amazon AMI?
      • 💾 What is AWS Instance Store?
      • 📂 What is Amazon EFS?
      • Comparison of EBS, EFS, and Instance Store in AWS
      • Load Balancers in AWS
      • Public IP vs Private IP
      • AWS Placement Groups
      • 🌐 What is an Elastic IP (EIP) in AWS?
      • 🔌 What is an ENI (Elastic Network Interface) in AWS?
      • 💤 What is EC2 Hibernate in AWS?
      • 🌐 Amazon Route 53
      • ⚖ī¸ How SSL/TLS Works with AWS Load Balancers
      • Auto Scaling Groups (ASG)
      • 🧱 What is AWS CloudFormation?
      • ✉ī¸ What is AWS SES?
      • đŸ“ĸ What is AWS Pinpoint?
      • 💰 What is AWS Cost Explorer?
      • 🧠 What is AWS Batch?
      • AWS Relational Database Service (RDS)
      • Amazon Aurora
      • ⚡ Amazon ElastiCache
      • 🆚 Domain Registrar vs DNS Service
      • 🌐 What Are DNS Records?
      • ⏱ī¸ What is TTL in Route 53?
      • 🌱 What is AWS Elastic Beanstalk?
      • đŸĒŖ AWS S3 - Basics
      • AWS S3 - Advanced
      • 🔐 Amazon S3 - Security Overview
      • ☁ī¸ What is Amazon CloudFront?
      • 🌐 What is AWS Global Accelerator?
      • ❄ī¸ AWS Snow Family – Edge & Offline Storage Services
      • AWS Snowball → Amazon S3 Glacier
      • 📁 What is Amazon FSx?
      • 🌩ī¸ AWS Hybrid Cloud for Storage – Overview
      • 📊 AWS Storage Services Comparison Table
      • 🔁 What is AWS DataSync?
  • Tech News
    • 📉 Microsoft Announces Another Round of Job Cuts in July, 2025
    • TCS's New Policy to Reduce Bench Time: What It Means for Employees and the IT Industry
    • Python vs Java: A 2025 Comparison Guide for Developers
    • Struggling for Your First Tech Job? Here's What Indian Freshers Need to Know
    • Intel Layoffs 20K in the Year 2025: What It Means for the Tech World
    • TCS Delaying Appraisals: A Wake-Up Call for India's Tech Giant?
    • Why Java Still Rules the Job Market in 2025?
    • List of IT companies in Noida with Career Email and Website!
    • Are Middle Managers Becoming Obsolete? Microsoft Thinks So!
    • Google India Layoffs in April 2025: Navigating Restructuring Amid AI-Driven Transformation
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Quick Interview Questions

July 8, 2025
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  1. 30 Advanced Spring Boot Interview Questions for Experienced Professionals
  2. https://www.baeldung.com/spring-boot-interview-questions

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