Bhanzu Senior Software Developer Interview Questions and Answers

Build a typeahead component

Q1. Build a form for personal details
Ans. 
Build a form for personal details
• Include fields for name, email, phone number, address, date of birth

• Use input fields, dropdowns, and date pickers for user input

• Add validation for required fields and correct formats

• Consider user experience with clear labels and easy navigation
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Q2. Add validations to different fields
Ans. 
Implement validations for different fields in software development.
• Identify the fields that require validation such as email, password, phone number, etc.

• Use regular expressions to validate input data format.

• Implement client-side and server-side validations to ensure data integrity.

• Display error messages for invalid input to guide users on correct data entry.
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Q1. About Myself in details
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Q2. Past internships and work experiences
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Q1. Primary keys, Unique key
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Q2. Usage advantages and disadvantages of Indexing
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SQL- 1 departments with no users
2 dept_id and their respective no. of users

DSA1: Most frequent no. in an array
DSA2: Zero Sum subarray exists

Computer Fundamentals

Q1. Flatten a binary tree
Ans. 
Flatten a binary tree by converting it into a linked list in-place.
• Use a recursive approach to flatten the binary tree.

• Traverse the tree in a pre-order manner and keep track of the previous node.

• Set the left child of each node to null and the right child to the next node in the linked list.

• Example: Input: 1 -> 2 -> 5 -> 3 -> 4 -> null, Output: 1 -> null -> 2 -> null -> 3 -> null -> 4 -> null -> 5 -> null
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Dsa problems dp and tress problem

Q1. Tell me about your self
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Q2. Projects and intership
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Medium to hard level problem questions and basic subjects fundamentals mcqs

Q1. Basic OS questions
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Q2. Basic CN questions
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Round one consist of coding problems and there's a minimum criteria of solving 2 problems at least to clear this round

Q1. First question was a coding question, merge intervals leetcode
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Q2. Second question was again of leetcode, compare strings
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Simple question on maths

Q1. Explain OOPS concept
Ans. 
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve complex problems

• Key principles include encapsulation, inheritance, polymorphism, and abstraction

• Encapsulation ensures that the internal state of an object is hidden from the outside world

• Inheritance allows a class to inherit...read more
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Q2. Coding array questions
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