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Zypp Electric Android Developer Interview Questions, Process, and Tips

Updated 27 Sep 2024

Top Zypp Electric Android Developer Interview Questions and Answers

Zypp Electric Android Developer Interview Experiences

2 interviews found

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. Swap two numbers without using third variable
  • Ans. 

    Swap two numbers without using a third variable

    • Use bitwise XOR operation to swap two numbers without using a third variable

    • Example: a = 5, b = 10. a = a XOR b, b = a XOR b, a = a XOR b. After swapping, a = 10, b = 5

  • Answered by AI
  • Q2. Types of inheritance in java
  • Ans. 

    There are four types of inheritance in Java: single, multilevel, hierarchical, and multiple.

    • Single inheritance: a class can only inherit from one superclass.

    • Multilevel inheritance: a class can inherit from a class which is also derived from another class.

    • Hierarchical inheritance: multiple classes inherit from a single superclass.

    • Multiple inheritance: a class can inherit from multiple superclasses (not supported in Java

  • Answered by AI
  • Q3. Singleton class in java
  • Ans. 

    A singleton class in Java is a class that allows only one instance of itself to be created and provides a global point of access to that instance.

    • Singleton pattern ensures that a class has only one instance and provides a global point of access to it.

    • The constructor of a singleton class is private to prevent instantiation from outside the class.

    • The getInstance() method is used to access the single instance of the class...

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. What is the difference b/w constraint layout & relative layout?
  • Ans. 

    Constraint layout is more flexible and efficient than relative layout.

    • Constraint layout allows for complex layouts with fewer nested views.

    • It uses constraints to position and size views relative to other views or parent layout.

    • Relative layout positions views relative to each other or parent layout using attributes like 'above', 'below', etc.

    • Constraint layout is recommended for complex layouts with many views.

    • Relative l...

  • Answered by AI
  • Q2. How do you find a missing element in an array?
  • Ans. 

    To find a missing element in an array, iterate through the array and compare each element with a range of expected values.

    • Sort the array if it is unsorted.

    • Iterate through the array and compare each element with a range of expected values.

    • If an element is missing, return it.

    • If no element is missing, return null or -1.

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Zypp Electric Android Developer interview:
  • DSA
  • OOPS
Interview preparation tips for other job seekers - Be consistent and practice DSA as much as you can.

Skills evaluated in this interview

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I applied via Recruitment Consulltant and was interviewed in Mar 2022. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. First your communication skill then your experience in your feild , and general questions, confidence level and your attitude

Interview Preparation Tips

Interview preparation tips for other job seekers - Your qualifications and your experience Bess questions
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Apr 2022. There were 4 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 tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Some Algo question based on Stock buy and sell
  • Q2. Projects and puzzles from gfg
Round 3 - One-on-one 

(2 Questions)

  • Q1. Intersection of Linked list
  • Ans. 

    Intersection of two linked lists is finding the common node(s) between them.

    • Traverse both lists and compare each node to find the common node(s).

    • Use a hash table to store the nodes of one list and check for their presence in the other list.

    • Calculate the length of both lists and move the pointer of the longer list to match the length of the shorter list, then compare each node.

  • Answered by AI
  • Q2. Projects and Puzzles
Round 4 - HR 

(3 Questions)

  • Q1. Why This Company
  • Q2. What motivates you to work here
  • Q3. Some other Hr questions

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Mar 2023. There was 1 interview round.

Round 1 - One-on-one 

(1 Question)

  • Q1. Sort and Merge two linked list
  • Ans. 

    Sort and merge two linked lists

    • Traverse both linked lists simultaneously

    • Compare the values of nodes and merge them in sorted order

    • Handle cases where one list is longer than the other

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Question about SQDCM related each topics

Interview Preparation Tips

Interview preparation tips for other job seekers - Just express your experience in production
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Approached by Company and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Technical 

(7 Questions)

  • Q1. How many ways we can share data between one app to another app?
  • Ans. 

    There are multiple ways to share data between apps, including using intents, content providers, broadcast receivers, and shared preferences.

    • Using Intents: Allows apps to send and receive data through an Intent object.

    • Content Providers: Enable apps to share data with other apps by exposing a structured set of data through a URI.

    • Broadcast Receivers: Apps can send broadcasts to other apps to share data or events.

    • Shared Pr...

  • Answered by AI
  • Q2. Lifecycle of activity. What would be the state if app is running in the background. When it will be in onStop and onRestart state?
  • Ans. 

    The app lifecycle includes states like running in the background, onStop, and onRestart.

    • App running in the background: When the app is not visible but still running, it is in the background state.

    • onStop state: Occurs when the activity is no longer visible to the user.

    • onRestart state: Follows onStop and is called when the activity is being re-displayed to the user.

  • Answered by AI
  • Q3. What is AIDL in Android development?
  • Ans. 

    AIDL stands for Android Interface Definition Language, used for inter-process communication in Android development.

    • AIDL is a tool used to define the programming interface that clients and servers use to communicate with each other in Android.

    • It allows different Android components to communicate with each other across different processes.

    • AIDL files define the methods that can be called remotely, along with the data type

  • Answered by AI
  • Q4. Working experience with JNI
  • Ans. 

    JNI stands for Java Native Interface, used to integrate Java code with native code written in languages like C/C++.

    • Experience in writing Java code that interacts with native code through JNI

    • Understanding of how to create and use JNI libraries

    • Knowledge of passing data between Java and native code using JNI functions

  • Answered by AI
  • Q5. What is a service?
  • Ans. 

    A service is a piece of code that performs specific tasks or functions to support the overall functionality of a software application.

    • Services are often used for tasks such as data processing, communication with external systems, or background tasks.

    • Examples of services include web services, REST APIs, and microservices.

    • Services can run independently of the user interface and can be accessed by multiple components with

  • Answered by AI
  • Q6. Difference between Threads and Coroutines.
  • Ans. 

    Threads are independent sequences of execution within a process, while coroutines are cooperative routines that can pause and resume.

    • Threads are managed by the operating system, while coroutines are managed by the programmer.

    • Threads run concurrently and can execute in parallel on multiple cores, while coroutines are typically single-threaded.

    • Threads have their own stack and memory space, while coroutines share the same...

  • Answered by AI
  • Q7. How we can perform background tasks in Android?
  • Ans. 

    Background tasks in Android can be performed using services, AsyncTask, JobScheduler, or WorkManager.

    • Use Services for long-running tasks in the background

    • AsyncTask for short background tasks that need to interact with the UI

    • JobScheduler for deferrable background tasks that require network connectivity

    • WorkManager for tasks that need to run reliably across different Android versions

  • Answered by AI

Skills evaluated in this interview

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

I applied via Campus Placement and was interviewed before Oct 2022. There were 3 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 tips
Round 2 - Technical 

(1 Question)

  • Q1. Djisktra Algorithm, cyclic graph, floyd warshal, Memory Threading, Semaphores, Mutex, Round Robin
Round 3 - HR 

(1 Question)

  • Q1. Why you are a good fit? What's your strength? Why you want to join Ola? Past mishaps?

I was interviewed in Mar 2022.

Round 1 - Face to Face 

Round duration - 120 Minutes
Round difficulty - Medium

Machine Coding Round
2 Hours in Total
15 Mins for Question Explaination and Doubts
1.5 Hours for coding
15 mins to discuss the approach 

Timing - 3 to 5 pm (They are flexible)
Interviewer was very patient and helped me understand the question

Round 2 - Face to Face 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

2 Data Strucutre Questions
Timing 5-6 pm (They are flexible)
Google Meet
Online IDE

  • Q1. 

    Unique Binary Search Trees Problem Statement

    Given an integer 'N', your task is to compute the number of structurally unique BSTs (binary search trees) that can be formed using an exact number of 'N' uniq...

  • Ans. 

    The task is to compute the number of structurally unique BSTs that can be formed using an exact number of unique values.

    • Use dynamic programming to solve the problem efficiently.

    • The number of structurally unique BSTs can be calculated using Catalan numbers.

    • For N nodes, the number of structurally unique BSTs is given by the Nth Catalan number.

    • Example: For N=3, the number of structurally unique BSTs is 5.

  • Answered by AI
  • Q2. 

    Subsequences of String Problem Statement

    You are provided with a string 'STR' that consists of lowercase English letters ranging from 'a' to 'z'. Your task is to determine all non-empty possible subsequen...

  • Ans. 

    Generate all possible subsequences of a given string.

    • Use recursion to generate all possible subsequences by including or excluding each character in the string.

    • Maintain a current index to keep track of the characters being considered.

    • Append the current character to each subsequence generated so far.

    • Recursively call the function with the next index to include or exclude the next character.

    • Base case: When the current ind...

  • Answered by AI
Round 3 - HR 

Round duration - 60 Minutes
Round difficulty - Easy

HIRING MANAGER ROUND

Discussion about the organisation now questions

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaNASwiggy interview preparation:Topics to prepare for the interview - Dynamic Programming, Basic OOPS, Commonly Asked Algorithms (Kadane’s, Dutch National Flag and more), Data Structures (Heaps, Stack, Queues, HashMaps and more), Low Level Design (Machine Coding)Time required to prepare for the interview - 2 monthsInterview preparation tips for other job seekers

Tip 1 : Practice is they to success, every person will need a different path for preparation, the resources that you should use will depend upon your current expertise.
Tip 2 : For Machine Coding Rounds speed is key, you need to practice atleast 20 questions, Try to figure out techniques to common out code, code out your first question, and then spend good 2-3 hours in reducing no of lines and removing redundancy, try to note down methods you used to achieve less redundancy and for all the next questions you practice try to achieve that same quality from the beginning which will automatically increase your speed
Tip 3 : Do company wise preparation, look for interview experiences and try to map out commonly asked questions and categories of those questions and practice accordingly

Application resume tips for other job seekers

Tip 1 : If applying for any non FE role (or any role that does not require designing or creative skills) keep a minimalistic resume
Tip 2 : Ensure to add a summary at the top which mentions all the criterias HRs consider while short listing resumes (Experience, Degree and Branch, Languages you have experience in, City, Willingness to Relocate, Notice Period, If already on notice period mention your last working day)

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

HAckerrank based test

Zypp Electric Interview FAQs

How many rounds are there in Zypp Electric Android Developer interview?
Zypp Electric interview process usually has 1-2 rounds. The most common rounds in the Zypp Electric interview process are Technical and Resume Shortlist.
How to prepare for Zypp Electric Android Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Zypp Electric. The most common topics and skills that interviewers at Zypp Electric expect are Android, Android Studio, Banking Operations, Case and Cost Audit.
What are the top questions asked in Zypp Electric Android Developer interview?

Some of the top questions asked at the Zypp Electric Android Developer interview -

  1. What is the difference b/w constraint layout & relative layo...read more
  2. How do you find a missing element in an arr...read more
  3. swap two numbers without using third varia...read more

Tell us how to improve this page.

Zypp Electric Android Developer Interview Process

based on 2 interviews

Interview experience

3.5
  
Good
View more

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Zypp Electric Android Developer Salary
based on 4 salaries
₹5 L/yr - ₹7.2 L/yr
14% more than the average Android Developer Salary in India
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4.0/5

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Promotions

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