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Google Java Developer Interview Questions and Answers

Updated 11 Oct 2024

Google Java Developer Interview Experiences

7 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Questions on permuation and combination

Round 2 - Technical 

(2 Questions)

  • Q1. Java core and advanced concepts
  • Q2. Springboot annotations, spring mvc, spring security
Round 3 - HR 

(1 Question)

  • Q1. Friendly questions

Sopra Steria

Rated 4 for Job Security by our employees on AmbitionBox

Secure your future with a company that values your job stability.

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Jun 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Java basics + OOP principles
  • Q2. SQl Indexes, what they pros,cons

Interview Preparation Tips

Interview preparation tips for other job seekers - just keep calm

Java Developer Interview Questions Asked at Other Companies

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Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Numbers
Verbal ability
Non verbal ability

Round 2 - Coding Test 

Arrays
oop
Collection

Interview Preparation Tips

Interview preparation tips for other job seekers - No

Java Developer Interview Questions & Answers

user image prathmesh patil

posted on 11 Oct 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. What is java ?
  • Ans. 

    Java is a high-level programming language known for its portability, security, and object-oriented features.

    • Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM).

    • It is known for its strong security features, such as sandboxing and encryption.

    • Java is an object-oriented language, allowing for modular and reusable code.

    • Popular Java frameworks include Spring, Hibernate, and Apache

  • Answered by AI

Skills evaluated in this interview

Google interview questions for designations

 Developer

 (2)

 Software Developer

 (88)

 Web Developer

 (5)

 Python Developer

 (1)

 Android Developer

 (1)

 IOS Developer

 (1)

 SQL Developer

 (1)

 UI Developer

 (1)

I applied via Recruitment Consulltant and was interviewed in Jul 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - HR 

(1 Question)

  • Q1. Am middle class. I am greatly interested in your company and would like to know if there is any way I can do the best in career development and I am in 4th year of btech and I am very proud 👏 to be a part...
Round 3 - HR 

(2 Questions)

  • Q1. My dream to work with google company. Please complete my dream. Please please give me a chance. Thanks
  • Q2. I want to a chance to work for your company.

Interview Preparation Tips

Topics to prepare for Google Java Developer interview:
  • Core Java
  • Javascript
  • Java
  • Java language
  • Html
  • Ms World
Interview preparation tips for other job seekers - I am a student. I complete graduate in 2023 June.and my honestly dream to work with Google company.please sir give me a chance to complete my dream.thank you so much.
Interview experience
3
Average
Difficulty level
Hard
Process Duration
2-4 weeks
Result
No response

I applied via Referral and was interviewed before Jan 2022. There were 5 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all Resume tips
Round 2 - HR 

(2 Questions)

  • Q1. Tell me about yourself? Why Google?
  • Q2. Passion, Company Image
Round 3 - Technical 

(1 Question)

  • Q1. Coding, soft skills , communication skills etc
Round 4 - One-on-one 

(1 Question)

  • Q1. Logical questions , Quantitative questions, Qualitative questions etc
Round 5 - Technical 

(1 Question)

  • Q1. Technical questions , SQL, Python, Java etc

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice practice practice
Belive in yourself
Be honest

I applied via Naukri.com and was interviewed in Nov 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. What is OOP?
  • Ans. 

    OOP stands for Object-Oriented Programming, a programming paradigm that focuses on objects and their interactions.

    • OOP is based on the concepts of encapsulation, inheritance, and polymorphism.

    • Encapsulation refers to the practice of hiding the internal details of an object from the outside world.

    • Inheritance allows new classes to be based on existing classes, inheriting their properties and methods.

    • Polymorphism allows obj...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Excellent

Interview questions from similar companies

I applied via Naukri.com and was interviewed in Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Oops concepts, Exception Handling & other Core Java concepts

Interview Preparation Tips

Interview preparation tips for other job seekers - Search & Contact recruiters who hire for ur domain on LinkedIn & share ur resume with them, search relevant jobs on LinkedIn & apply.

Go to companies' websites & create ur profile.

Update ur profile daily on naukri. 👍🏻

Interview Questionnaire 

1 Question

  • Q1. In C# --> Abstraction, Interface , Abstract Method, Abstract Class, Polymorphisms, Encapsulation ,Inheritance, Serialization,
  • Ans. 

    C# concepts including abstraction, interface, abstract method, abstract class, polymorphism, encapsulation, inheritance, and serialization.

    • Abstraction: hiding implementation details

    • Interface: defining a contract for behavior

    • Abstract method: method without implementation

    • Abstract class: class with one or more abstract methods

    • Polymorphism: ability of objects to take on multiple forms

    • Encapsulation: bundling data and behavi...

  • Answered by AI

Skills evaluated in this interview

I was interviewed before Dec 2020.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This was a Data Structures and Algorithms round with preety good questions . I was expected to come up with an efficient approach and code it as well .

  • Q1. 

    K Closest Points to Origin Problem Statement

    Your house is located at the origin (0,0) of a 2-D plane. There are N neighbors living at different points on the plane. Your goal is to visit exactly K neighb...

  • Ans. 

    Find the K closest points to the origin in a 2-D plane using Euclidean Distance.

    • Calculate the Euclidean Distance of each point from the origin

    • Sort the points based on their distances

    • Return the first K points as the closest neighbors

  • Answered by AI
  • Q2. 

    Power Set Generation

    Given a sorted array of 'N' integers, your task is to generate the power set for this array. Each subset of this power set should be individually sorted.

    A power set of a set 'ARR' i...

  • Ans. 

    Generate the power set of a sorted array of integers with individually sorted subsets.

    • Use recursion to generate all possible subsets by including or excluding each element in the array.

    • Sort each subset before adding it to the power set.

    • Handle base cases for empty array and single element array.

    • Ensure the subsets are unique by using a set data structure.

    • Time complexity can be exponential due to the nature of generating

  • Answered by AI
Round 2 - Face to Face 

(2 Questions)

Round duration - 50 Minutes
Round difficulty - Hard

This was also a DSA round where I was asked to code only one of the questions but I eventually ended up coding both as I had some spare time and explained my approches very smoothly to the interviewer . This round went preety well .

  • Q1. 

    Roman Numeral to Integer Conversion

    Convert a string representing a Roman numeral into its integer equivalent and return the result.

    Explanation:

    Roman numerals are represented by seven different symbol...

  • Ans. 

    Convert a Roman numeral string to its integer equivalent.

    • Create a mapping of Roman numeral symbols to their integer values.

    • Iterate through the input string and add the corresponding integer values.

    • Handle cases where subtraction is needed (e.g., IV = 4, IX = 9).

  • Answered by AI
  • Q2. 

    Pair Sum Problem Statement

    You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.

    Note:
    ...
  • Ans. 

    Find pairs of elements in an array that sum up to a given value, sorted in a specific order.

    • Iterate through the array and for each element, check if the complement (S - current element) exists in a hash set.

    • If the complement exists, add the pair to the result list.

    • Sort the result list based on the criteria mentioned in the question.

    • Return the sorted list of pairs.

  • Answered by AI
Round 3 - Face to Face 

(2 Questions)

Round duration - 50 Minutes
Round difficulty - Medium

This was also a DSA round with 2 questions . One was implementation heavy and the other was related to recursion and so I handled it carefully so that my code does not run into TLE or Segmentation Fault.

  • Q1. 

    Arithmetic Expression Evaluation Problem Statement

    You are provided with a string expression consisting of characters '+', '-', '*', '/', '(', ')' and digits '0' to '9', representing an arithmetic express...

  • Ans. 

    Evaluate arithmetic expressions in infix notation with given operators and precedence rules.

    • Parse the infix expression to postfix using a stack.

    • Evaluate the postfix expression using a stack.

    • Handle operator precedence and parentheses while evaluating.

    • Ensure no division by zero cases and operands fit in 32-bit integer.

  • Answered by AI
  • Q2. 

    Remove Duplicates from Sorted Array Problem Statement

    You are given a sorted integer array ARR of size N. Your task is to remove the duplicates in such a way that each element appears only once. The outpu...

  • Ans. 

    Remove duplicates from a sorted array in-place with O(1) extra memory.

    • Use two pointers - one for iterating through the array and another for placing unique elements.

    • Compare current element with next element to identify duplicates and skip them.

    • Update array in-place by moving unique elements to the front.

    • Return the length of the array after removal of duplicates.

  • Answered by AI
Round 4 - Face to Face 

(2 Questions)

Round duration - 50 Minutes
Round difficulty - Medium

This was a typical System Design round where I was asked about the various features of Facebook and what sort of data structures and algorithms are used in implementing them .

  • Q1. How does Facebook store likes and dislikes?
  • Ans. 

    Facebook stores likes and dislikes using a combination of databases and algorithms.

    • Likes and dislikes are stored in databases such as MySQL or Cassandra.

    • Algorithms are used to analyze user behavior and recommend content based on likes and dislikes.

    • User interactions with posts, pages, and ads are tracked to determine likes and dislikes.

    • Likes and dislikes may also be used to personalize the user's feed and target ads mor

  • Answered by AI
  • Q2. How does Facebook implement graph search?
  • Ans. 

    Facebook implements graph search using a graph database to efficiently search for connections between users and their interests.

    • Facebook uses a graph database to store connections between users, pages, groups, etc.

    • The graph search algorithm traverses the graph to find relevant connections based on user queries.

    • It takes into account factors like user relationships, interests, and interactions to provide personalized sea

  • Answered by AI
Round 5 - Face to Face 

(2 Questions)

Round duration - 50 Minutes
Round difficulty - Medium

This was a preety intense round as I was grilled more on my System Design concepts but eventually I was able to asnwers all the questions with some help from the interviewer.

  • Q1. What is Hadoop and why is it used?
  • Ans. 

    Hadoop is a framework for distributed storage and processing of large data sets.

    • Hadoop is used for storing and processing big data across a distributed network of computers.

    • It is based on the MapReduce programming model, which allows for parallel processing of data.

    • Hadoop consists of HDFS for storage and YARN for resource management.

    • It is used for tasks like data warehousing, log processing, recommendation systems, and...

  • Answered by AI
  • Q2. How does Facebook Chat work?
  • Ans. 

    Facebook Chat works by using a combination of websockets, long polling, and push technology to deliver real-time messaging.

    • Facebook Chat uses websockets for real-time communication between the client and server.

    • Long polling is used to check for new messages when websockets are not supported.

    • Push technology is used to notify users of new messages even when the chat window is not open.

    • Messages are stored in a database an...

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAFacebook interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 5 MonthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

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Google Interview FAQs

How many rounds are there in Google Java Developer interview?
Google interview process usually has 2-3 rounds. The most common rounds in the Google interview process are Technical, HR and Aptitude Test.
What are the top questions asked in Google Java Developer interview?

Some of the top questions asked at the Google Java Developer interview -

  1. What is O...read more
  2. what is jav...read more
  3. Logical questions , Quantitative questions, Qualitative questions ...read more

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Google Java Developer Interview Process

based on 8 interviews

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