Hidoc Dr Reactjs Developer Interview Questions and Answers

Q1. What is the implementation of Merge Sort in Java?
Ans. 
Merge Sort is a divide and conquer algorithm that divides the input array into two halves, recursively sorts them, and then merges the sorted halves.
• Divide the input array into two halves

• Recursively sort the two halves

• Merge the sorted halves back together
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Q2. What is the implementation of the Quick Sort algorithm in Java?
Ans. 
Quick Sort is a popular sorting algorithm that uses a divide-and-conquer approach to sort elements in an array.
• Choose a pivot element from the array.

• Partition the array into two sub-arrays: elements less than the pivot and elements greater than the pivot.

• Recursively apply the same process to the sub-arrays.

• Combine the sorted sub-arrays to get the final sorted array.
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Machine Coding of Google Calendar

Machine Coding of MP3 Player

Q1. Find Duplicates problem
Ans. 
Find duplicates in an array of strings
• Iterate through the array and store each element in a hash set

• If an element is already in the hash set, it is a duplicate

• Return a list of all duplicates found
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Q1. Why Simpl? and compensation
Ans. 
Simpl offers a collaborative and innovative work environment with competitive compensation.
• Simpl values teamwork and creativity in software development

• Competitive compensation package offered to attract top talent

• Opportunities for growth and learning through challenging projects
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Mangaer asked me to integrate an api

Q1. Salary negotions was done on the second round
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Q1. Basic resume based questions
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Q2. Explain your internship experience
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Q1. Basic resume based questions
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Its was data structure and algorithm and SQL round 4 question of dsa and 2 question of sql

Q1. How does OTP less work make a systematic diagram for it/
Ans. 
OTP less work eliminates the need for one-time passwords for authentication.
• OTP less work uses alternative methods like biometrics, push notifications, or hardware tokens for authentication.

• It provides a more seamless and user-friendly authentication experience.

• Examples include fingerprint scanning on smartphones or security keys for two-factor authentication.
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Q1. Everything related to yourself.
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Q1. Tell me about your self
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Q2. First of all thank you for giving this opportunity. My self madhumitha I am from narasaraopet I completed by btech in krishnaveni engineering college for womens,kesanupalli in the year 2022 I completed my...read more
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Explain about one topic

Q1. A technical round round is a job interview round that tests the candidates technical skills with respect to the concerned job requirements
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Q1. About our family
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Q1. Managerial round can cover a diverse range of discussion topics.
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Q1. Selection process is to select right candidates with the required qualifications and capabilities to fill the vacancy in the organisation
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