Most asked Java Full Stack interview questions

• 25 Jan 2023
• Interview questions

Full Stack Development is an increasingly popular approach to building web applications. It involves the development of both the client-side (Front-end) and server-side (Back-end) of a web application. Full Stack Developers should have knowledge of programming languages, frameworks, and technologies used on both sides of the application. Java is one such technology that is widely used for Full Stack Development due to its stability, portability, and the availability of numerous frameworks and libraries. In this blog post, we will explore some of the most commonly asked Java Full Stack Development interview questions and their answers to help you prepare for your next Full Stack Developer interview.

Following are some examples of possible questions and answers in a Java Full Stack interview:

What is Full Stack Development, and how is it different from Back-end or Front-end Development?
Answer: Full Stack Development refers to the development of both the client-side (Front-end) and server-side (Back-end) of a web application. A Full Stack Developer should have knowledge of programming languages, frameworks, and technologies used on both the client and server side. The main difference between Full Stack, Back-end, or Front-end development is the area of expertise and the technologies used.

What is Java, and how is it used in Full Stack Development?
Answer: Java is a widely used object-oriented programming language, known for its simplicity, stability, and portability. Java can be used to build both the server-side and client-side of web applications. Java has several frameworks and technologies that can be used for Full Stack Development, including Spring Boot, Hibernate, JSP/Servlets, and JavaFX.

What is Spring Boot, and how is it used in Full Stack Development?
Answer: Spring Boot is an open-source Java framework designed to simplify the development of stand-alone, production-grade Spring-based applications. It offers several features that make it popular for Full Stack Development, including embedded Tomcat server, auto-configuration, and starter dependencies. Spring Boot can be used to develop both the server-side and client-side of web applications, with its various modules like Spring MVC, Spring Data, and Spring Security.

What are RESTful Web Services, and how are they used in Full Stack Development?
Answer: RESTful Web Services are a set of architectural principles and constraints for creating Web services that follow a specific set of rules. These rules make the web services easy to use and understand. RESTful Web Services can be used to build a scalable and maintainable backend API for web applications, which can be used by both the client-side and server-side. RESTful Web Services can be implemented in Java using frameworks like Spring Boot, JAX-RS, or Jersey.

What are some popular Front-end technologies used in Full Stack Development with Java?
Answer: Some popular Front-end technologies used in Full Stack Development with Java include HTML, CSS, JavaScript, Angular, React, Vue, and Bootstrap. These technologies are used to create responsive and interactive user interfaces for web applications.

What is DevOps, and how does it fit into Full Stack Development?
Answer: DevOps is a set of practices that combines software development and IT operations to improve the efficiency and quality of software delivery. DevOps practices like continuous integration, delivery, and deployment (CI/CD) can help Full Stack Developers to automate the process of building, testing, and deploying web applications. DevOps can also help to improve the collaboration between developers, testers, and operations, making the software development process more efficient and reliable.

What is Object-Relational Mapping (ORM), and how is it used in Full Stack Development?
Answer: ORM is a programming technique used to map relational database objects to object-oriented programming languages. ORM can be used in Full Stack Development to simplify the process of creating, reading, updating, and deleting data from a database. Hibernate is a popular ORM framework used in Java Full Stack Development, which can be used to map Java objects to database tables, and perform database operations using Java code.