Interview Questions
Explore technical interview questions and answers from various companies
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Explain closures in JavaScript
Closures are functions with preserved data from their lexical scope.
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What is Event Loop in Node.js?
The event loop handles async callbacks in Node.js single-threaded architecture.
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What is useEffect in React?
useEffect is a React hook that runs side effects after rendering.
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What is polymorphism in Java?
Polymorphism is the ability of an object to take on many forms.
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