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  🔥 Top 30 Spring Boot Interview Questions (2025 Edition) If you’re preparing for a   backend developer interview , chances are high you’ll face questions on   Spring Boot . It’s one of the most widely used frameworks for building scalable, production-ready applications. In this blog, I’ve compiled the   Top 30 Spring Boot Interview Questions  covering   basic, intermediate, and advanced levels . Whether you’re a fresher or an experienced developer, this guide will help you crack your next interview. ⭐ Basic Spring Boot Interview Questions 1. What is Spring Boot, and how is it different from Spring Framework? Spring Boot simplifies application development by reducing boilerplate configuration. Unlike Spring, it comes with   auto-configuration, embedded servers, and starters . 2. What are the advantages of using Spring Boot? Rapid development Production-ready features (Actuator, metrics) Auto-configuration Embedded server support 3. What is the role of...

Top 30 Must-Do DSA Problems for SDE Interviews Here’s a curated list of 30 essential DSA problems that cover arrays, strings, linked lists, trees, stacks, queues, hashing, and searching/sorting. Solving these will prepare you for 60–70% of coding rounds for fresher and early SDE roles. Arrays Two Sum Best Time to Buy and Sell Stock Contains Duplicate Reverse Array (DIY) Rotate Array Maximum Subarray Strings Valid Palindrome Valid Anagram Longest Substring Without Repeating Characters Reverse Words in a String Linked List Reverse Linked List Linked List Cycle Merge Two Sorted Lists Middle of the Linked List Trees Maximum Depth of Binary Tree Binary Tree Level Order Traversal Validate Binary Search Tree Sorting & Searching Quick Sort (DIY Implementation) Merge Sort (DIY Implementation) Binary Search Stacks & Queues Implement Queue using Stacks Valid Parentheses Hashing & Misc M...