Bharti Airtel Software Development Engineer II Interview Questions and Answers

Coding test was a DSA question. Moderate difficulty

Q1. Java related questions
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Q2. Spring related questions
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Q3. Questions related to cloud
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Q1. What challenges have I faced in past
Ans. 
I have faced challenges in managing tight project deadlines and adapting to new technologies.
• Managing tight project deadlines by prioritizing tasks and delegating responsibilities

• Adapting to new technologies by self-learning and seeking help from colleagues

• Handling conflicts within team members by effective communication and conflict resolution skills
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Q2. Design level questions
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Q3. Microservices design questions
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Q1. Teamwork related questions
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Q2. SWOT analysis questions
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Q3. Salary discussion and expectation
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Q1. DS algo Java advance and sql advance
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Q1. 1. To check if word 1 is an anagram of word 2. 2. Questions around Springboot basics 3. SOLID design principles.
Ans. 
To check if two words are anagrams, compare the sorted characters of each word.
• Sort the characters of both words

• Compare the sorted characters to check if they are equal

• Handle edge cases like different lengths or special characters
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Q1. 1. Multi threading related questions and managerial round.
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Q1. Sql related ques mege into, rank,dense rank,queries of joins etc.
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Q2. Java 8 related ques optional and stream
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Q1. Reverse a linked list.
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Q2. Merge sort on a array/
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Basi aptitude and coding mcq

Q1. What is hashmap
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Q1. Find nth elements from last in linked list
Ans. 
Use two pointers to find the nth element from the end of a linked list.
• Use two pointers, one moving n steps ahead of the other

• When the first pointer reaches the end, the second pointer will be at the nth element from the end
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Q2. Difference between hashmap and concurrent hashmap
Ans. 
HashMap is not thread-safe while ConcurrentHashMap is thread-safe and allows concurrent access.
• HashMap is not thread-safe and can lead to ConcurrentModificationException if accessed by multiple threads simultaneously.

• ConcurrentHashMap allows concurrent access by multiple threads without the need for external synchronization.

• ConcurrentHashMap achieves thread-safety by dividing the map into segments, allowing multiple th...read more
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Q1. What are the things that u do when your what app screen is blank
Ans. 
I would check for internet connection, restart the app, clear cache, and update the app.
• Check internet connection

• Restart the app

• Clear cache

• Update the app
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Q2. Simple python code
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