Java Full Stack Interview Question and Answers
Java Full Stack Development refers to the development of end-to-end web applications using Java technology for both front-end and back-end development. A Full Stack Java Developer is responsible for developing the complete web application, including the server-side, client-side, and database. They need to be skilled in programming languages such as Java, JavaScript, HTML, and CSS, as well as frameworks like Spring, Hibernate, and Angular. A Java Full Stack Developer should also have a good understanding of databases like MySQL, Oracle, and MongoDB, and should be able to work with RESTful APIs to integrate front-end and back-end components. Overall, Java Full Stack Development requires a wide range of skills and expertise, making it a challenging and rewarding field for developers. Here we are Providing Important Java Full Stack Interview Question and Answers.
What is Full Stack Development?
Answer: Full stack development refers to the development of both front-end and back-end portions of a web application. It involves working with databases, servers, APIs, front-end languages, and frameworks, as well as the development of user interfaces.
What are the different layers in a full-stack application?
Answer: A full-stack application typically comprises of four layers: presentation layer (front-end), business layer, persistence layer (back-end), and database layer.
What are some of the front-end technologies you have worked with?
Answer: Some of the front-end technologies I have worked with include HTML, CSS, JavaScript, JQuery, React, Angular, and Vue.
What is RESTful API and how does it work?
Answer: REST (Representational State Transfer) is a web architecture pattern that is used to create web services. RESTful API (Application Programming Interface) is an API that follows the REST architecture. It works by using HTTP methods such as GET, POST, PUT, DELETE, etc. to access and manipulate resources on a server.
What is Spring Framework and how is it used in full-stack development?
Answer: Spring Framework is a popular Java framework used for building enterprise applications. It provides a number of modules that can be used to develop both front-end and back-end components of a web application. Spring MVC, Spring Boot, and Spring Data are some of the popular modules used in full-stack development.
What is ORM and how does it work?
Answer: ORM (Object-Relational Mapping) is a technique used to map object-oriented programming language constructs to relational database models. It works by creating a bridge between the object-oriented code and the database, allowing developers to work with databases in an object-oriented manner.
What are some of the design patterns you have used in full-stack development?
Answer: Some of the design patterns I have used in full-stack development include Model-View-Controller (MVC), Singleton, Factory, and Dependency Injection.
What is Agile methodology and how is it used in full-stack development?
Answer: Agile methodology is an iterative and incremental approach to software development. It involves working in short cycles or sprints, where development teams work collaboratively to deliver working software. Agile methodology is often used in full-stack development to ensure timely delivery of projects and to encourage collaboration between different teams.
What are some of the tools you have used for front-end development?
Answer: Some of the tools I have used for front-end development include IDEs like Visual Studio Code, Sublime Text, and WebStorm, CSS pre-processors like Sass and Less, and front-end frameworks like Bootstrap and Materialize.
What are some of the databases you have worked with in full-stack development?
Answer: Some of the databases I have worked with in full-stack development include MySQL, PostgreSQL, MongoDB, and Oracle.
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