Heeddata Associate Technical Leader Interview Questions and Answers

Normal code to write string manipulations

60 min total
45-aptitude question
2-coding question

Q1. What is garbage collecture
Ans. 
Garbage collector is a program that automatically frees up memory by reclaiming memory occupied by objects that are no longer in use.
• Garbage collector is a part of the memory management system in programming languages like Java, C#, and Python.

• It helps prevent memory leaks by identifying and freeing up memory that is no longer needed.

• Garbage collection can be automatic or manual, depending on the programming language a
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Q2. Differnce between public key and foreign key
Ans. 
Public key is used for encryption and decryption in asymmetric cryptography, while foreign key is used to establish a relationship between tables in a database.
• Public key is used in asymmetric cryptography for secure communication.

• Foreign key is used in databases to establish relationships between tables.

• Public key is shared with others for encryption, while private key is kept secret for decryption.

• Foreign key links a...read more
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Coding puzzle on hacker rank

Q1. Explain redux toolkit
Ans. 
Redux Toolkit is an official, opinionated, batteries-included toolset for efficient Redux development.
• Includes utilities like createSlice, createAsyncThunk, and createEntityAdapter for easier Redux setup

• Reduces boilerplate code and simplifies common Redux patterns

• Encourages best practices and helps developers write more maintainable code
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Q2. Explain use memo hook
Ans. 
memo hook is a React hook used for optimizing performance by memoizing the result of a function
• Memo hook is used to prevent unnecessary re-renders by caching the result of a function

• It is useful when a component re-renders frequently with the same props

• Example: const memoizedValue = useMemo(() => computeExpensiveValue(a, b), [a, b])
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This was a assessment round where questions were asked from Aptitude ,DSA and Computer Science Fundamentals

The Group was divided into 10 people in each group and there was a common topic -"Is AI based Decision Making-Boon and Bane" and everyone was given 1 minute to speak on.

Q1. Questions from Resume were asked, Skills Projects(Which Libraries Tech Stacks you used) and Past Internship experience (What was the work , did you worked in any team what Tech Stacks you used) . What were...read more
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Q1. Its basically on system design and coding round, simple string related questions and jira dystem design
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Q2. Code LCA and many sting coding
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Q1. JIra System design
Ans. 
Jira System design involves creating workflows, issue types, custom fields, and permissions to optimize project management.
• Design workflows to track the progress of tasks from start to finish

• Create custom issue types to categorize different types of work

• Define custom fields to capture specific information for each issue

• Set up permissions to control who can view, edit, and transition issues

• Integrate Jira with other tool...read more
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