Tat Engineering Interview Questions and Answers

Q1. What is your weakness?
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Q1. What is the internal implementation of Hashing and what is collision?
Ans. 
Hashing is a technique used to map data to a fixed-size array, collision occurs when two different inputs produce the same hash value.
• Hashing involves using a hash function to map data to a fixed-size array.

• Collision happens when two different inputs produce the same hash value.

• Common techniques to handle collisions include chaining and open addressing.
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Q2. Is time complexity of HashMap always O(1) ?
Ans. 
No, time complexity of HashMap is not always O(1).
• Time complexity of HashMap is O(1) on average, but can degrade to O(n) in worst case scenarios.

• Worst case scenarios include hash collisions, which can lead to linear probing and degrade performance.

• Load factor and capacity of the HashMap can also affect time complexity.

• In scenarios where many keys hash to the same index, the time complexity can degrade.
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Q1. Yet to have the interview. Ambition box is forcefully making me enter these details
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Q1. Common technical questions
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Q1. Advance Technical Questions based on your skill set taken by architect
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Common coding problems difficulty laver moderate

Q1. Common managerial question ,scenario base questions
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Q1. Tell me about a time you solved a problem
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Q2. What is your favorite class youve taken so far?
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Two practical coding challenges will be followed by a multiple-choice section and then a system design task.

Develop an airline system that facilitates flight ticket booking.

Q1. What are the reasons for your interest in this position?
Ans. 
I'm excited about this position due to its alignment with my skills, growth opportunities, and the chance to contribute to impactful projects.
• Alignment with my expertise in software development, particularly in technologies like Java and cloud computing.

• Opportunities for professional growth, such as leading projects and mentoring junior developers.

• The company's commitment to innovation and its focus on developing solut...read more
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Q2. Can you describe a situation in which you encountered challenges and explain how you overcame them?
Ans. 
Faced a critical deadline with a complex project; collaborated with the team to streamline processes and deliver on time.
• Identified bottlenecks in the development process, such as unclear requirements and lack of communication.

• Organized daily stand-up meetings to enhance team collaboration and ensure everyone was aligned on tasks.

• Implemented a task management tool to track progress and prioritize work effectively.

• Condu...read more
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It was a SQL and Excel assignment

Q1. SQL , python questions
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