Seligent Consulting Java Full Stack Developer Interview Questions and Answers

Q1. What are the different annotations in Spring Boot
Ans. 
Spring Boot provides various annotations for different purposes.
• The @RestController annotation is used to create RESTful web services.

• The @Autowired annotation is used for automatic dependency injection.

• The @RequestMapping annotation is used to map HTTP requests to specific methods.

• The @Component annotation is used to mark a class as a Spring component.

• The @Service annotation is used to mark a class as a Spring service...read more
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Q2. Explain Routes and how it is handled in React js
Ans. 
Routes in React js are used to define the navigation paths and handle the rendering of different components based on the URL.
• Routes are defined using the React Router library

• Each route is associated with a specific URL path and a corresponding component

• When a user navigates to a specific URL, the corresponding component is rendered

• Routes can also have parameters that can be accessed in the component

• Nested routes can be
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Q3. What are microservices
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Microservices are a software architectural style that structures an application as a collection of small, loosely coupled services.
• Microservices are independent, self-contained components that can be developed, deployed, and scaled independently.

• Each microservice focuses on a specific business capability and communicates with other microservices through APIs.

• Microservices promote flexibility, scalability, and resilienc...read more
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Q1. About core Java
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Q2. Coding snippets, coding, Servlets, JSP
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Q3. Salary discussion
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You will be getting questions on the tech stack you have experience with, in depth questions on Node js and React js, real time challenges faced, two coding questions (1 easy and 1 medium)

F2f round for about 1.5 hrs, you be given a task to create a functionality using frontend tech stack you have chosen, more coding questions medium level, framework related ij depth questions

Q1. Previous experience and questions related to that
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Q2. More questions on how to approach a problem
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Q1. HEXA decimal reg expression
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Q2. What are mime types
Ans. 
Mime types are identifiers used to specify the type of data being sent over the internet.
• Mime types are used in HTTP headers to indicate the type of content being sent, such as text/html for HTML files or image/jpeg for JPEG images.

• They help browsers and servers understand how to handle the content being transmitted.

• Mime types also help in determining how a file should be processed or displayed by the receiving end.

• Com...read more
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Q1. How to optimise react applications
Ans. 
Optimising react applications involves code splitting, lazy loading, using production build, minimizing bundle size, and optimizing images.
• Implement code splitting to load only necessary code for each route or component

• Utilize lazy loading to load components only when needed

• Use production build for better performance

• Minimize bundle size by removing unnecessary dependencies and code

• Optimize images by compressing them an
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Normal Aptitude questions, contains some find the output questions based on C programming. DBMS questions also there.

Q1. Binary Search, C programming Return statement.
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Q2. About internships.
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It was aptitude + coding test.. 2 coding questions were there

Q1. Tell me about yourself
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Q2. Where do you see yourself in 5 years
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