Comcast India Engineering Center Associate Engineer Interview Questions and Answers

Coding on java ,spring , hibernate

Q1. Java basics multithreading, inheritance, oops
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Q1. What is your family background?
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Q2. What are your strengths and weaknesses?
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Q3. Tell me about yourself.
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Q1. Basic HR questions with managerial questions involved
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A simple aptitude test to define your skills set.

Q1. Limited to your projects and internships done
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Quants, LA and English aptitude.

Q1. Basic to intermediate question on technology.
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Round duration - 90 Minutes
Round difficulty - Medium

Q1. 
Check if Two Trees are Mirror
Given two arbitrary binary trees, your task is to determine whether these two trees are mirrors of each other.
Explanation:
Two trees are considered mirror of each other if...read more
Ans. 
Check if two binary trees are mirrors of each other based on specific criteria.
• Compare the roots of both trees.

• Check if the left subtree of the first tree is the mirror of the right subtree of the second tree.

• Verify if the right subtree of the first tree is the mirror of the left subtree of the second tree.
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Round duration - 30 minutes
Round difficulty - Medium

Q1. 
Stack using Two Queues Problem Statement
Develop a Stack Data Structure to store integer values using two Queues internally.
Your stack implementation should provide these public functions:
Explanation:
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Ans. 
Implement a stack using two queues to store integer values with specified functions.
• Use two queues to simulate stack operations efficiently.

• Maintain the top element in one of the queues for easy access.

• Handle push, pop, top, size, and isEmpty functions as specified.

• Ensure proper error handling for empty stack scenarios.

• Optimize the implementation to achieve desired time complexity.

• Example: Push 42, pop top element (42)
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