Dbs Mintek Software Engineer Interview Questions and Answers

Its a combination of all the questions like aptitude , logical questions, programming questions, sql, etc,...

Q1. No i was rejected
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Q1. Sql based questions, oops concepts, project related questions
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Q2. Recursion, Python, MVC, AWS services
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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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Q1. Count frequency of letters in a given string
Ans. 
Count frequency of letters in a given string
• Create an array of size 26 to store the count of each letter (assuming only lowercase letters)

• Iterate through the string and increment the count of each letter in the array

• Print the count of each letter in the array
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Q2. Closures, Temporal Dead Zone, Hoisting
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Q1. Technical Discussions on projects from resume and work
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Q2. Refresh tokens and access tokens, rate limiter
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Q1. Quant,Verbal,CS Domain
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Q2. 2 coding questions
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Q1. Ask about projects and real world thinking about projects
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Q2. Some basic data preprocessing part of my project.
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Q1. What are hooks, event loop usecontext api
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Q2. What is aggregator
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Q1. What is handler looper in Android?
Ans. 
Handler Looper in Android is a class used to handle messages and run tasks on a specific thread.
• Handler Looper is used to manage a queue of messages and execute them on a specific thread.

• It works in conjunction with Handler and Message classes to send and process messages.

• Looper.loop() method is used to start the message loop for a thread.

• Example: Creating a new Handler with a Looper from the main thread to post messag
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Q1. I was asked medium level leetcode questions. So if you have good command and can do basic-medium questions, then you are good to go.
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