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Google Software Engineer Interview Questions and Answers
Google Software Engineer Interview Experiences
105 interviews found
Sahana Sahana
Selected
I appeared for an interview in Feb 2025, where I was asked the following questions.
- Q1. Tell. Me. about your. Self
- Q2. Why. should. We. choose. You
- Q3. Hello. I'm..sahana.and.idone.an.mba.With.a.speialization.in.HR.and.makeing.as.well.as.aB.Com.inE.commeres.i'm.done.through.my.inthern.ship.atBestEngineerspump.in.Coimbatore I'm. Passionate about. blending....
- Q4. You. Should. hire. me because. I bring. a. unique. blend. Of. Skills. in. H.R.and.marketing.supported.by.me.academic.background.and.practial.. experience. managing. projects and. understanding. team. dynam...
Interview Preparation Tips
Anonymous
Selected
I appeared for an interview in Jun 2025, where I was asked the following questions.
- Q1. Partition Array Minimizing Subset Sum Difference Given an array containing N non-negative integers, your task is to partition this array into two subsets such that the absolute difference between their sum...
- Ans.
Minimize the absolute difference between sums of two subsets from a given array of non-negative integers.
Use dynamic programming to solve the problem efficiently.
Calculate the total sum of the array, S. The goal is to find a subset with a sum close to S/2.
Create a boolean DP array where dp[i] indicates if a subset with sum i can be formed.
Iterate through the array and update the DP array for possible sums.
The minimum d...
- Q2. 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.
- Ans.
Determine if two binary trees are mirrors by comparing their structure and node values recursively.
Two trees are mirrors if their root nodes are the same and their subtrees are mirrors.
Check left subtree of tree1 with right subtree of tree2 and vice versa.
Example: Tree1: 1 / \ 2 3 and Tree2: 1 / \ 3 2 are mirrors.
Base case: If both trees are null, they are mirrors. If one is null, they are not.
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Dec 2024. There were 2 interview rounds.
The coding questions were at Leetcode difficulty level and were derived from the Striver sheet.
(2 Questions)
- Q1. BFS graph level
- Q2. Minimum flight distance . I was not shortlisted for interview.
Interview Preparation Tips
SUSHANT WAYBHASE
Selected
I applied via Campus Placement and was interviewed in Dec 2024. There were 4 interview rounds.
It's good and many more things are pending
Very good it was very good best nice very nice
God food good water and good everything good
(3 Questions)
- Q1. What is name and why this name only
- Ans.
Name is a unique identifier given to an individual to distinguish them from others.
Name is used for identification and communication purposes.
Names are often chosen by parents at birth, but can also be changed legally.
Names can have cultural, religious, or personal significance.
Some names are passed down through generations in families.
Nicknames or aliases may also be used in addition to a person's given name.
- Q2. Why we should select you
- Q3. My parents has given that's why
Interview Preparation Tips
What people are saying about Google
(1 Question)
- Q1. Return triplets where sum is zero
- Ans.
Find unique triplets in an array that sum up to zero.
Sort the array first to easily identify duplicates.
Use two pointers technique to find the triplets.
Skip duplicates to avoid duplicate triplets.
Handle edge cases like all zeros or all positive/negative numbers.
Time complexity can be improved to O(n^2) using two pointers approach.
(1 Question)
- Q1. Rotate the matrix 90 degrees clockwise
- Ans.
Rotate an n x n 2D matrix by 90 degrees clockwise in-place without using extra space.
Iterate through each layer of the matrix, swapping elements in groups of 4
Use variables to store temporary values during swapping
Reverse the rows of the matrix to rotate it 90 degrees clockwise
Skills evaluated in this interview
I appeared for an interview in Dec 2024.
(1 Question)
- Q1. Design Google News
Google HR Interview Questions
(2 Questions)
- Q1. Graph Question Connected components in an undirected graph
- Q2. Dp question Maximal Product when cutting rope
- Ans.
Maximal Product when cutting rope involves finding the best way to cut a rope to maximize the product of the lengths.
Divide the rope into pieces of length 2 or 3 for maximum product.
For a rope of length 10, cutting it into three pieces of length 3 and one piece of length 1 gives a product of 27.
Using dynamic programming, store results of subproblems to avoid redundant calculations.
The formula for the maximum product ca...
Kavendar Kashyap
(2 Questions)
- Q1. What ia Printf funcation use
- Q2. Printf funcation use
Interview Preparation Tips
Skills evaluated in this interview
(1 Question)
- Q1. Leetcode questions and fundamental questions based on sql, networking
2 leetcode hard questions
Interview Preparation Tips
Selected
I appeared for an interview in Jan 2025, where I was asked the following questions.
- Q1. Explain the difference between ArrayList and LinkedList in Java. When would you choose one over the other?
- Q2. What are the advantages and disadvantages of using Java’s synchronized keyword for thread synchronization? Can you explain how the ReentrantLock compares to synchronized?
- Q3. What is the difference between == and .equals() in Java? When should each be used, and what issues can arise from improper usage?
- Q4. How does the Java garbage collector work? Can you describe the different types of garbage collection algorithms available in Java?
- Q5. What are the main features of Java 8? Can you explain how lambdas and the Stream API have changed the way Java applications are written?
Google Interview FAQs
Some of the top questions asked at the Google Software Engineer interview -
The duration of Google Software Engineer interview process can vary, but typically it takes about less than 2 weeks to complete.
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Google Software Engineer Reviews and Ratings
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