Google Engineer L4 Interview Questions and Answers

Q1. Questions about OOPS includes inheritence, interface, abstract classes, access specifiers
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Q2. Coding question: given a vector, return a vector where each entry in the resultant vector is the product of the remaining elements in the given vector.
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Q3. Coding question: given a vector numbers, return the index of the vector which has the longest length palindrome
Ans. 
Return the index of the vector with the longest length palindrome
• Iterate through each string in the vector

• Check if the string is a palindrome

• Track the index of the longest palindrome string
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It was codility test with 2 questions

Q1. One codility question
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Q1. Design system like uber eats
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Q1. Design system like youtube
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Data structure related question

Q1. Quesitions related to data structure, cloud
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Q2. Find the second highest integer
Ans. 
To find the second highest integer in an array, sort the array in descending order and return the second element.
• Sort the array in descending order

• Return the second element in the sorted array

• Handle edge cases like duplicates or small arrays
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Q3. Question related to two sum
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Q4. Some sliding window problems
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Q1. General Behavioral Questions
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Q1. How does the CAN TP (Controller Area Network Transport Protocol) work?
Ans. 
CAN TP is a protocol used for transferring large data packets over Controller Area Network.
• CAN TP breaks large data packets into smaller segments for transmission

• It uses flow control mechanisms to ensure all segments are received and retransmits if necessary

• CAN TP is commonly used in automotive and industrial applications
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Q1. Explain autosar layer
Ans. 
AUTOSAR (Automotive Open System Architecture) is a standardized software architecture for automotive systems.
• AUTOSAR is a layered architecture consisting of four layers: Application Layer, Runtime Environment (RTE) Layer, Basic Software Layer, and Microcontroller Abstraction Layer (MCAL).

• Each layer in AUTOSAR has specific responsibilities and interfaces with other layers to ensure modularity and reusability of software...read more
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Q1. Are you prepared to work from home?
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Q1. Opps, overloading and overriding, factory n singleton patteren
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Q2. Collections HashMap internal working
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It included aptitude, technical and coding questions

Q1. Questions on SQL(Joins)
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Q2. Questions on arrays, substrings
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Q1. Location preferred
Ans. 
Remote work preferred, open to occasional travel
• Remote work preferred

• Open to occasional travel

• Flexible with location
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Q2. Family background
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