Junior Full Stack Developer Interview Questions and Answers

OOP concepts can be utilized in different programming languages to improve code organization and reusability.

• Encapsulation can be used to hide implementation details and expose only necessary information to other parts of the code.

• Inheritance can be used to create a hierarchy of classes with shared properties and methods.

• Polymorphism can be used to create flexible and extensible code that can handle different types of objects.

• Examples include Java, Python, C++, and Ruby, all ...read more

Synchronization of software systems can be implemented using various techniques.

• Use locks and semaphores to control access to shared resources

• Implement message passing between processes to ensure consistency

• Use version control systems to manage changes in codebase

• Implement distributed systems to ensure synchronization across multiple nodes

• Use database transactions to ensure atomicity and consistency

• Implement event-driven architectures to ensure real-time synchronization

SQL queries can be used to maintain server information by updating, inserting, or deleting data in the database.

• Use INSERT statement to add new server information

• Use UPDATE statement to modify existing server information

• Use DELETE statement to remove server information

• Use SELECT statement to retrieve server information

• Use WHERE clause to filter server information based on specific criteria

Implementing security logic for GitHub involves authentication, authorization, and data protection mechanisms.

• Use OAuth for secure authentication, allowing users to log in without sharing passwords.

• Implement role-based access control (RBAC) to restrict user permissions based on their roles.

• Utilize HTTPS to encrypt data in transit, preventing eavesdropping and man-in-the-middle attacks.

• Regularly update dependencies and libraries to patch known vulnerabilities.

• Employ two-factor...read more

JavaScript is not necessarily the most powerful language, but it is versatile and widely used.

• JavaScript can be used for both front-end and back-end development

• It has a large and active community, with many libraries and frameworks available

• JavaScript is constantly evolving, with new features and updates being added regularly

React hooks are functions that allow you to use state and other React features without writing a class.

• useState - for managing state in functional components

• useEffect - for handling side effects in functional components

• useContext - for accessing context in functional components

• useReducer - for managing complex state in functional components

• useCallback - for memoizing functions in functional components

• useMemo - for memoizing values in functional components

• useRef - for accessin...read more

I am proficient in HTML, CSS, JavaScript, React, Node.js, Express, MongoDB, SQL, Git, and AWS.

• HTML

• CSS

• JavaScript

• React

• Node.js

• Express

• MongoDB

• SQL

• Git

• AWS