KEKA TECHNOLOGIES IOS Developer Interview Questions and Answers

Q1. Tell Me about yourself
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Q2. What is C# and coding.
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Q1. What is your CCTC?
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Q1. What is useState?
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useState is a hook in React that allows functional components to have state.
• useState is a React hook used in functional components to manage state.

• It returns an array with the current state value and a function to update that value.

• Example: const [count, setCount] = useState(0);
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Q2. What's useEffect?
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useEffect is a hook in React that allows performing side effects in function components.
• Used in React functional components to perform side effects

• Executes after render and after every update

• Can be used to fetch data, subscribe to events, update the DOM, etc.
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Q3. What is Redux and state management?
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Redux is a predictable state container for JavaScript apps. It helps manage the state of an application in a centralized way.
• Redux is a state management library commonly used with React.

• It allows for a single source of truth for the state of an application.

• Actions are dispatched to update the state, and reducers specify how the state changes in response to actions.

• Redux DevTools can be used to track state changes and d...read more
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Q1. Past Experience and System Design
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Q1. DSA and System Design
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Q1. Past Experience and System Design
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Q1. What is closure? Application and concept understanding
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Closure is a function that captures the environment in which it was created, allowing it to access variables from that environment even after the function has finished executing.
• Closure allows a function to access variables from its outer scope even after the function has finished executing.

• It 'closes over' the variables from the outer scope, preserving their values.

• Example: function outerFunction() { let outerVar = 'I...read more
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Q2. What is event loop?
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Event loop is a mechanism that allows for asynchronous programming by handling and executing events in a loop.
• Event loop is a part of the runtime environment that listens for events and executes callback functions.

• It allows for non-blocking I/O operations by delegating tasks to the operating system.

• Event loop is commonly used in JavaScript for handling asynchronous operations like setTimeout, setInterval, and AJAX requ
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Q1. Questions were completely based on data structures and algorithm
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Q2. SQL based questions were also asked
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2 coding questions medium level

Q1. All related to python
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Q2. ANd Golang
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