Jtekt Sona Automotive India Junior Software Developer Interview Questions and Answers

Q1. If you are going for a technical field then you must have to clear the technical round where there are some coding challenges you have to clear.
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Q1. After clearing the technical round there will be a technical interview round where they asked technical question based on your resume. Duration of interview will be depend on the interviewer.
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Easy to medium questions

Q1. Resume based question
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Q1. What is virtual DOM in React?
Ans. 
Virtual DOM is a lightweight copy of the actual DOM in React, used for efficient updates.
• Virtual DOM is a concept where a lightweight copy of the actual DOM is created in memory.

• React uses the virtual DOM to efficiently update the actual DOM when there are changes in the application.

• When changes are made to the virtual DOM, React calculates the most efficient way to update the actual DOM, minimizing performance impact.
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Q2. Explain about Context API in react?
Ans. 
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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