Infosys Interview Questions, Process, and Tips for Experienced

Q1. What are your strengths?
Add your answer
Q2. What motivates you to continue improving in this field?
Add your answer

Q1. Java Code for reverse string
Ans. 
Java code to reverse a string using StringBuilder
• Create a StringBuilder object with the input string

• Use the reverse() method of StringBuilder to reverse the string

• Convert the reversed StringBuilder object back to a string using toString()
Answered by AI
Add your answer
Q2. Maximzise screen in webpage
Ans. 
To maximize screen in a webpage, use CSS properties like 'width: 100%' and 'height: 100vh'.
• Set 'width: 100%' to make the content fill the entire width of the screen

• Use 'height: 100vh' to make the content fill the entire height of the viewport

• Consider using media queries for responsive design
Answered by AI
Add your answer

Q1. What are the benefits of React?
Ans. 
React offers a component-based architecture, virtual DOM for performance optimization, and a strong community support.
• Component-based architecture allows for reusability and easier maintenance of code.

• Virtual DOM helps in improving performance by only updating the necessary parts of the actual DOM.

• React has a strong community support with a vast ecosystem of libraries and tools available.

• React allows for server-side re...read more
Answered by AI
Add your answer
Q2. Difference between state and props?
Ans. 
State is mutable and managed within the component, while props are immutable and passed from parent component.
• State is managed within the component and can be changed using setState() method

• Props are passed from parent component to child component and cannot be changed by the child component

• State is used for internal component data management, while props are used for passing data from parent to child components
Answered by AI
Add your answer
Q3. What is useReducer and UseContext api?
Ans. 
useReducer is a React hook that manages state changes through a specified reducer function. useContext is a hook that allows access to a context object.
• useReducer is used for managing complex state logic in React applications.

• It takes in a reducer function and an initial state, and returns the current state and a dispatch function.

• Example: const [state, dispatch] = useReducer(reducer, initialState);

• useContext is used f...read more
Answered by AI
Add your answer
Q4. What is one way data binding?
Ans. 
One way data binding is a unidirectional flow of data from the model to the view in React applications.
• Data flows from the model (or source of truth) to the view, but not vice versa.

• Changes in the model automatically update the view, but changes in the view do not affect the model.

• Helps in maintaining a clear and predictable data flow in React components.
Answered by AI
Add your answer
Q5. Tell me hooks you have used?
Ans. 
I have used useState, useEffect, useContext, useReducer, and useRef hooks in my projects.
• 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 logic in functional components

• useRef - for accessing DOM elements or storing mutable values
Answered by AI
Add your answer
Q6. What is redux middleware
Ans. 
Redux middleware is a function that intercepts actions before they reach the reducer.
• Middleware can be used for logging, crash reporting, asynchronous API calls, etc.

• It sits between the action dispatch and the reducer.

• Examples of popular middleware include redux-thunk and redux-saga.
Answered by AI
Add your answer

Q1. Questions related to Projects
Add your answer
Q2. Git commands: How to commit ,merge code, how to resolve merge conflicts
Ans. 
Git commands for committing, merging code, and resolving merge conflicts
• To commit code: git commit -m 'Commit message'

• To merge code from a branch: git merge branch_name

• To resolve merge conflicts: manually edit the conflicting files, add changes, and then commit the merge
Answered by AI
Add your answer

It's 10 multiple-choice question with low,medium, and difficult range levels.

Q1. 1) User Stories 2) Sprint zero 3) Stories and Requirement gathering 4) DoR and DoD
Add your answer
Q2. Tell us what is Sprint Zero
Ans. 
Sprint Zero is a preparatory phase before the start of the first official sprint in Scrum.
• Sprint Zero focuses on setting up the project, team, and environment.

• Activities in Sprint Zero may include creating the project backlog, setting up development tools, and defining team roles.

• Sprint Zero helps in laying the foundation for a successful project by addressing any initial setup or preparation tasks.

• It is not a mandator...read more
Answered by AI
Add your answer