Capgemini Front end Developer Interview Questions, Process, and Tips

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Q1. Basic understanding of js and angular is must expeciallly how js works questions on arrays objects shallow deep copy
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Q1. What is react and it's advantage
Ans. 
React is a JavaScript library for building user interfaces.
• React allows for the creation of reusable UI components

• It uses a virtual DOM for efficient rendering

• React is declarative, making it easier to understand and debug code
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Q2. React life cycle
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Q3. Questions related to Redux
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Q4. Simple app using redux
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Creating a simple app using Redux for state management in a front end application.
• Set up Redux store with reducers and actions

• Connect components to Redux store using mapStateToProps and mapDispatchToProps

• Dispatch actions to update state in Redux store

• Use combineReducers to manage multiple reducers
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Q1. Previous project
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Q2. Agile process followed in project
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Agile process involves iterative development, frequent collaboration, and adaptability to changes.
• Daily stand-up meetings to discuss progress and roadblocks

• Sprints for focused development and testing

• Continuous feedback and iteration based on user input

• Use of tools like Jira or Trello for project management
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Q1. Salary discussion
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Q2. Work location discussion
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Q1. What are context API
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Context API is a feature in React that allows sharing data between components without having to pass props through every level of the component tree.
• Context API provides a way to pass data through the component tree without having to pass props down manually at every level.

• It is useful for sharing global data such as themes, user authentication, or language preferences.

• Context API consists of three main parts: Provider...read more
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Q1. Explain Redux life cycle
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Redux life cycle involves actions, reducers, store, and state management in a predictable flow.
• Actions are dispatched to trigger state changes

• Reducers specify how the state should change based on the action type

• Store holds the application state

• State is updated immutably
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Q1. What was the difficult situation you faced?
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Q1. Basic React Question
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Q2. Basic Javascript Questions
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Q3. Coding - Finding missing values from array(Javascript), Increment & decrement count (React)
Ans. 
Finding missing values in array using JavaScript and incrementing/decrementing count in React.
• Use JavaScript to find missing values in array by comparing with a reference array.

• Implement logic to increment and decrement count in React based on user interactions.

• Example: const array = ['apple', 'banana', 'orange']; const referenceArray = ['apple', 'banana', 'grape'];

• Example: Implement a counter component in React that i...read more
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