AIRTECH Interview Questions and Answers

Q1. Snaphelper Class
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Q2. Apply & let difference
Ans. 
Apply is used to apply a function to each element of a collection, while let is used to assign a value to a variable.
• Apply: Used to apply a function to each element of a collection. Example: list.apply { println(it) }

• Let: Used to assign a value to a variable. Example: val result = calculate().let { it * 2 }
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Q3. Communication between Coroutines
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Communication between Coroutines in Android development.
• Use channels to communicate between coroutines

• Channels are used to send data between coroutines

• Channels can be used for both sending and receiving data
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Q4. Hilt Dependency
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Q5. HashMap Collision
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Q1. Introduce your self
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Q2. What is sale ? how you manage store
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If one customer is angry from your product and service how will you handle

5 SQL questions within 1 hour

Q1. Discuss more on my past experience and sql joins and basic questions
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Q2. NA
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Q1. You previous experiences
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Q2. About the company
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Q3. Why looking for a change
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Q1. Previous experience
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Q2. How you relate to tripfactory
Ans. 
I have experience working with tripfactory in my previous role as a Process Manager.
• I have successfully managed projects involving tripfactory's services

• I am familiar with tripfactory's processes and procedures

• I have collaborated with tripfactory team members to achieve project goals
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Q3. Short case study question
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Q1. How Indexing works in DB
Ans. 
Indexing in DB is a technique to improve the speed of data retrieval by creating a data structure that allows for quick lookup of data.
• Indexes are created on columns in a database table to speed up the retrieval of rows that match a certain condition.

• Types of indexes include B-tree, hash, and bitmap indexes.

• Indexes can be unique or non-unique, clustered or non-clustered.

• Example: Creating an index on the 'email' column ...read more
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Q2. Spring Boot depenencies
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Q1. System Design of Bookmyshow
Ans. 
Bookmyshow is a popular online ticketing platform for movies, events, and other entertainment.
• Bookmyshow allows users to browse and book tickets for movies, events, plays, sports, etc.

• The system should have features like seat selection, payment gateway integration, booking history, and notifications.

• Scalability is important to handle high traffic during popular movie releases or events.

• Integration with cinema partners ...read more
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Q2. Some SQL queries to write
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Q1. Medium leetcode
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Q1. Regarding experience
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Q1. General behavioural question
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Q1. Weakness, Strength, Acheivements
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Q2. Software Dev Life Cycle
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Q3. Software Testing Life Cycle
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Q4. Defect Life Cycle
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Q5. Test Plan, Test Strategy
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Q1. The interview was on sql first they took hacker rank test on dsa and in second round they called for f2f interview
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Q2. They told to write two sql query
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