Kotak Securities Senior Software Developer Interview Questions and Answers

Q1. What is the difference between normal and arrow functions
Ans. 
Arrow functions are more concise and have a lexical 'this' binding compared to normal functions.
• Arrow functions do not have their own 'this' keyword, they inherit it from the parent scope.

• Arrow functions do not have their own 'arguments' object.

• Arrow functions cannot be used as constructors with 'new'.

• Arrow functions are more concise and have implicit return when no curly braces are used.
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Q2. All basic JS Questions to cover Hoisting closure
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Q3. They asked to show me an example using the API call
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Q4. Difference between forEach and Map
Ans. 
forEach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.
• forEach does not return a new array, while map does

• forEach does not modify the original array, while map creates a new array

• forEach is used for side effects, while map is used for transformation

• Example: forEach - array.forEach(item => console.log(item)), map - const newAr
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Basic Arithmetic Aptitude , Computer Application and SQL

Q1. Create a Fitness Tracking Application
Ans. 
A fitness tracking application to monitor and track user's physical activities and progress.
• Include features like tracking steps, calories burned, distance traveled, and workout sessions.

• Allow users to set goals, view progress charts, and receive notifications for reminders.

• Integrate with wearable devices like Fitbit or Apple Watch for real-time data syncing.

• Provide social sharing options to motivate users and compete ...read more
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Q1. On demand video assessment that include questions to answer.
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Q2. Games designed to test different ability.
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