quescol In computer science we can use the terms data type and data structure often interchangeably. But meaning wise they both have distinct meanings and purposes. It is important to understand the difference between them for efficient programming and system design. What is a Data Type? A data type is a classification that tells the compiler … Read more
Hibernate Interview Questions 1. What is Hibernate, and how does it differ from JDBC? What are its advantages? Hibernate is an Object-Relational Mapping (ORM) framework for Java. It helps developers map Java classes to database tables and Java data types to SQL data types, allowing you to interact with databases using standard Java objects rather … Read more
In this Page we have collected and explained Most important Hibernate Interview Questions and Answers. Let us start Preparing. Hibernate interview questions Q1). What is hibernate? Ans: Hibernate is an open-source Object-relational mapper (ORM) framework that simplifies the interaction of java applications and databases. Hibernate is open source and lightweight. It simplifies working with databases … Read more
Certainly! Here’s a list of commonly asked interview questions on Hibernate for candidates with 2+ years of experience: Basic Hibernate Concepts 1. What is Hibernate and why is it used? Hibernate is an open-source Java based object-relational mapping (ORM) tool. It provides a framework for mapping an objects to data stored in a relational database. … Read more
Are you struggling to find the most important and frequently asked Spring Boot interview questions, especially the real-time questions asked in face-to-face interviews at top MNCs like TCS, Infosys, LTI Mindtree, Accenture, Tech Mahindra, PWC, KPMG, and many others? If yes, take a deep breath because you’ve finally landed in the right place! On this … Read more
How do you dockerize a Spring Boot application? What is a message queue, and how can you implement it in a Spring Boot application? Can you explain how Kafka works and describe its architecture? How do you deploy a Spring Boot application to a production environment using tools like Docker or Kubernetes? How do you … Read more
1. Write me an API to implement CRUD Operation. 2. Have you ever implemented versioning in your REST APIs? Can you explain the approach you followed? 3. How do you test your Spring Boot API on a different port and switch from HTTP to HTTPS? 4. How do you handle nested objects in Spring Boot, … Read more
Are you struggling to find the most important and frequently asked Spring Boot interview questions especially the ones asked in face-to-face interviews by top MNCs like TCS, Infosys, LTI Mindtree, Accenture, Tech Mahindra, PWC, KPMG and Others? If yes, take a deep breath, because you’ve landed at the right place! This blog post is well-suited … Read more
In Spring Boot, dependency injection (DI) is handled automatically through a powerful combination of annotations. Here’s how each of these works: 1. @Component 2. @Service (Specialized @Component) 3. @Repository (Specialized @Component) 4. @Autowired ✅ Note: Since Spring 4.3, if there’s only one constructor, @Autowired is optional. 🔁 How It All Works Together: 🧠 In Summary: … Read more
Spring Boot starts with @SpringBootApplication, loads required dependencies using starters, configures them automatically using @EnableAutoConfiguration, and scans for your components using @ComponentScan all this with minimal setup! But there are lots of things happens behind the scenes to simplify development. Here’s a breakdown of the internal working: 1. @SpringBootApplication and main() – Entry Point 2. … Read more