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Times Internet Senior Android Developer Interview Questions, Process, and Tips

Updated 14 Jan 2022

Top Times Internet Senior Android Developer Interview Questions and Answers

  • Q1. Binary Array Sorting Problem Statement You are provided with a binary array, i.e., an array containing only 0s and 1s. Your task is to sort this binary array and return ...read more
  • Q2. Maximum Subarray Sum Problem Statement Given an array arr of length N consisting of integers, find the sum of the subarray (including empty subarray) with the maximum su ...read more
  • Q3. Can you explain how to implement a ViewModel in Android?

Times Internet Senior Android Developer Interview Experiences

2 interviews found

I was interviewed in Apr 2021.

Round 1 - Video Call 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical interview round. I was asked 2 DSA problems to discuss and code.

  • Q1. 

    Binary Array Sorting Problem Statement

    You are provided with a binary array, i.e., an array containing only 0s and 1s. Your task is to sort this binary array and return it after sorting.

    Input:

     The fir...
  • Ans. 

    Yes, the binary array sorting problem can be solved in linear time and constant space by using a two-pointer approach.

    • Use two pointers, one starting from the beginning of the array and the other starting from the end.

    • Swap 0s to the left side and 1s to the right side by incrementing and decrementing the pointers accordingly.

    • Continue this process until the two pointers meet in the middle of the array.

    • Example: Input: [1,

  • Answered by AI
  • Q2. 

    Maximum Subarray Sum Problem Statement

    Given an array arr of length N consisting of integers, find the sum of the subarray (including empty subarray) with the maximum sum among all subarrays.

    Explanation...

  • Ans. 

    Find the sum of the subarray with the maximum sum among all subarrays in a given array.

    • Iterate through the array and keep track of the maximum sum subarray encountered so far.

    • Use Kadane's algorithm to efficiently find the maximum subarray sum.

    • Consider the case where all elements in the array are negative.

    • Handle the case where the array contains only one element.

  • Answered by AI
Round 2 - Video Call 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical interview round. I was asked questions related to Android and its architecture.

  • Q1. How does RecyclerView work internally?
  • Ans. 

    RecyclerView is a flexible view for providing a limited window into a large data set.

    • RecyclerView recycles views to improve performance and memory usage.

    • It uses a LayoutManager to organize and position items within the view.

    • Adapter provides data to be displayed in the RecyclerView.

    • ItemDecoration allows for custom drawing of item decorations like borders or dividers.

  • Answered by AI
  • Q2. Can you explain how to implement a ViewModel in Android?
  • Ans. 

    ViewModel in Android is a class that is responsible for preparing and managing data for an activity or fragment.

    • ViewModel is part of the Android Architecture Components and is used to store and manage UI-related data in a lifecycle-conscious way.

    • It survives configuration changes such as screen rotations and retains data during the lifecycle of the activity or fragment.

    • ViewModel should never hold a reference to a view o...

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaNo CriteriaTimes Internet interview preparation:Topics to prepare for the interview - Android Architecture, Data Structures, Algorithms, System Design, OOPSTime required to prepare for the interview - 4 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 interviewRejected

Skills evaluated in this interview

I applied via Referral and was interviewed in Oct 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Data structure and algorithm : find maximum sum subarray. Separate zeroes and ones in array. Android questions : viewmodel under the hood, recycler view under the hood, implement viewmodel.
  • Ans. 

    Questions on data structure, algorithm, and Android development.

    • To find maximum sum subarray, use Kadane's algorithm

    • To separate zeroes and ones in array, use two pointers approach

    • ViewModel is a class that stores and manages UI-related data

    • RecyclerView is a flexible view for providing a limited window into a large data set

    • To implement ViewModel, extend ViewModel class and override onCleared() method

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Do practice ds and algorithm questions and android architecture questions.

Senior Android Developer Interview Questions Asked at Other Companies

Q1. Binary Array Sorting Problem Statement You are provided with a bi ... read more
Q2. Maximum Subarray Sum Problem Statement Given an array arr of leng ... read more
Q3. what is daemon Thread? what is data Class? Garbage Collector? Act ... read more
asked in Nykaa
Q4. What is a Service? How can a notification in a Foreground Service ... read more
Q5. Can you explain how to implement a ViewModel in Android?

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Sep 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Just basic DSA round

Round 2 - Technical 

(2 Questions)

  • Q1. Questions on DSA like array and strings.
  • Q2. Computer science fundamentals questions like OOPS concepts
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. About Oracle database and Oracle adfs

I applied via LinkedIn and was interviewed before Sep 2021. There were 4 interview rounds.

Round 1 - Aptitude Test 

Aptitude + Coding Test

Round 2 - One-on-one 

(1 Question)

  • Q1. Technical Interview with an SDE
Round 3 - Technical 

(1 Question)

  • Q1. Managerial + Technical Interview
Round 4 - HR 

(1 Question)

  • Q1. Basic HR discussion around salary negotiation

Interview Preparation Tips

Interview preparation tips for other job seekers - Question were around OOPs, DSA and Aptitude.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - Coding Test 

2 Questions - 1 graph and one basic

Round 2 - Technical 

(1 Question)

  • Q1. 2 basic coding questions and questions on OS and DBMS

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basics
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Tell Me what s java
  • Ans. 

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

    • Java is an object-oriented language

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

    • Java is used for developing a wide range of applications, from mobile apps to enterprise software

  • Answered by AI

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is the use of ref?
  • Ans. 

    The 'ref' keyword in C# is used to pass arguments by reference instead of by value.

    • Allows a method to modify the value of the argument passed to it

    • Useful when you want to update the original value of a variable inside a method

    • Can be used with value types and reference types

    • Example: void UpdateValue(ref int num) { num = 10; }

    • Example: int value = 5; UpdateValue(ref value); // value will be 10 after the method call

  • Answered by AI
  • Q2. What are React Hooks
  • Ans. 

    React Hooks are functions that let you use state and other React features without writing a class.

    • React Hooks were introduced in React 16.8.

    • They allow you to use state and other React features in functional components.

    • Some commonly used React Hooks are useState, useEffect, useContext, etc.

    • Hooks are more lightweight and easier to understand compared to class components.

  • Answered by AI

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 minutes
Round difficulty - Easy

This was MCQ+Coding round.

  • Q1. How can you check if two strings are anagrams of each other?
  • Ans. 

    Check if two strings are anagrams by comparing the sorted versions of the strings.

    • Sort both strings and compare if they are equal.

    • Use a hashmap to store the frequency of characters in each string and compare the maps.

    • Ignore spaces and punctuation when comparing the strings.

  • Answered by AI
Round 2 - Face to Face 

Round duration - 90 minutes
Round difficulty - Easy

This was face to face interview round.

Round 3 - Face to Face 

Round duration - 90 minutes
Round difficulty - Easy

This was face to face interview round.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from National Institute Of Technology, Silchar, Assam. I applied for the job as SDE - 1 in SiddharthnagarEligibility criteria6 CGPAAmazon interview preparation:Topics to prepare for the interview - Basic Computer Science backgroundTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Participate in live contests on websites like Codechef, Codeforces etc as much as possible.
Tip 2 : Practice previous interview questions from LeetCode, GeeksForGeeks.
Tip 3 : Revise Computer Science subjects like DBMS, OOPS thoroughly.

Application resume tips for other job seekers

Add projects and Internships if you have done any and add only those things which you really know.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 Minutes
Round difficulty - Medium

Interview started at 11:00 am. It was an online round. During the coding round I submitted optimized solution and got full acceptance of the solutions.

  • Q1. 

    Detect Cycle in a Directed Graph

    You are provided with a directed graph composed of 'N' nodes. You have a matrix called 'EDGES' with dimensions M x 2, which specifies the 'M' edges in the graph. Each edge...

  • Ans. 

    Detect cycle in a directed graph using depth-first search (DFS) algorithm.

    • Use DFS to traverse the graph and detect back edges indicating a cycle.

    • Maintain a visited array to keep track of visited nodes during traversal.

    • If a node is visited again during traversal and it is not the parent node, then a cycle exists.

    • Return true if a cycle is detected, false otherwise.

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 80 Minutes
Round difficulty - Medium

Interview started at 10:00 am. Interview went well, I was able to connect with the interviewer and enjoyed the whole interview

  • Q1. 

    Next Smallest Palindrome Problem Statement

    Find the next smallest palindrome strictly greater than a given number 'N' represented as a string 'S'.

    Explanation:

    You are given a number in string format, a...

  • Ans. 

    Find the next smallest palindrome greater than a given number represented as a string.

    • Convert the string to an integer, find the next greater palindrome, and convert it back to a string.

    • Handle cases where the number is a palindrome or has all digits as '9'.

    • Consider both odd and even length numbers when finding the next palindrome.

  • Answered by AI
Round 3 - Face to Face 

(1 Question)

Round duration - 80 Minutes
Round difficulty - Medium

Interview started at 11:00 am. Interview went well.

  • Q1. 

    Boundary Traversal of a Binary Tree

    Given a binary tree of integers, your task is to return the boundary nodes of the tree in Anti-Clockwise direction starting from the root node.

    Input:

    The first line ...
  • Ans. 

    Return the boundary nodes of a binary tree in Anti-Clockwise direction starting from the root node.

    • Traverse the left boundary nodes in a top-down manner

    • Traverse the leaf nodes from left to right

    • Traverse the right boundary nodes in a bottom-up manner

    • Handle cases where duplicates occur in the boundary nodes

    • Implement the function without printing as printing is already managed

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaGood knowledge of Data Structures, Some great projects which are used by the usersAmazon interview preparation:Topics to prepare for the interview - Data Structures, Web development, System Design, Algorithms, Dynamic Programming, Database, OS, Networking, OOPS, DevOpsTime required to prepare for the interview - 8 monthsInterview preparation tips for other job seekers

Tip 1 : For Data Structures number of questions doesn't matter. Try to understand the logic behind them and try to apply them in creating multiple scenario's. Learn them by heart. 
Tip 2 : For Web.Development Try to learn full stack development. See which part interests you more, Increase your knowledge horizon, Always try to build a system a system considering It will be served to millions of customers. By doing this 1-2 projects will increase and cover all the major things which one should learn in their career/college.

Application resume tips for other job seekers

Tip 1 : Always try to make it a single page 
Tip 2 : Always make resume company specific. eg. Data Structures part more if you are applying for MNC's eg. Amazon, Google, DE Shaw, browserstack.

Final outcome of the interviewSelected

Skills evaluated in this interview

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