HCLTech Java Interview Questions | Round 1 (4 Years Experience) | Jan, 2026 скачать в хорошем качестве

HCLTech Java Interview Questions | Round 1 (4 Years Experience) | Jan, 2026

Pdf Link - https://drive.google.com/file/d/1TSF8... In this video, I share a real HCLTech Technical Interview experience for a Java Developer role with 4 years of experience. We break down the actual questions asked in Round 1, covering Core Java, Collections, SQL, and Spring Boot. If you are preparing for your next Java interview, make sure to watch until the end for the coding problems! 🚀 Topics & Questions Covered: 🔹 Core Java & OOPs OOPS concepts with real-world examples Class loading & memory allocation explained Internal working of HashMap & handling collisions 🔹 Collections Framework ArrayList vs LinkedList: When to use which? HashMap vs TreeMap differences Using custom objects as Keys in HashMap Scenario: Removing duplicates while maintaining insertion order 🔹 Exception Handling & Multithreading Types of Exceptions & best practices Thread basics & real-time multithreading scenarios 🔹 SQL Interview Questions Find the 2nd highest salary (Query) Difference between WHERE vs HAVING INNER JOIN vs LEFT JOIN with examples Grouping data with GROUP BY + HAVING 🔹 Spring Boot & Framework Spring vs Spring Boot: What's the difference? Bean Scopes (Singleton, Prototype, Request, Session) @Autowired vs Constructor Injection Dependency Injection in Spring 🔹 Coding Challenges Write a Java program to find duplicate elements in an array. Reverse a string without using inbuilt methods. 🔔 Subscribe to codeWithSud for more Java interview prep and coding tutorials! [Link to your channel/Subscribe Link] #JavaInterview #HCLTech #CodingInterview