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IBM Android Developer Interview Questions, Process, and Tips
Top IBM Android Developer Interview Questions and Answers
- Q1. What is Android development
- Q2. What is use of activity creator
- Q3. Advantages of Kotlin over Java, High-order function, extension function, Scope functions, Latinit vs lazy, val vs var, val vs const and other basic Kotlin questions
IBM Android Developer Interview Experiences
4 interviews found
Anonymous
(1 Question)
- Q1. Sort array in 0(n) time complexity
- Ans.
Use counting sort algorithm to achieve O(n) time complexity.
Count the frequency of each string in the array.
Create a new array based on the frequency counts.
Iterate through the new array to reconstruct the sorted array.
Coding test based on array
Skills evaluated in this interview
I applied via Referral and was interviewed in Nov 2021. There was 1 interview round.
Interview Questionnaire
12 Questions
- Q1. What is Developer?
- Ans.
A developer is a professional who designs, builds, and maintains software applications.
Developers write code to create software applications.
They use programming languages and tools to develop software.
They collaborate with other team members to design and implement software solutions.
Developers test and debug their code to ensure it functions correctly.
They continuously learn and adapt to new technologies and industry...
- Q2. What is testing
- Ans.
Testing is the process of evaluating a system or component to determine if it meets the specified requirements.
Testing is an essential part of the software development life cycle.
It helps identify defects or bugs in the system.
Testing ensures that the system functions as expected and meets the user's requirements.
Different types of testing include unit testing, integration testing, and acceptance testing.
Examples of te...
- Q3. What is sap in sap testing
- Ans.
SAP in SAP testing stands for Systems, Applications, and Products in Data Processing.
SAP is a software suite that provides various business applications.
SAP testing involves testing the functionality, performance, and security of SAP systems.
It ensures that the SAP software meets the desired requirements and works as expected.
SAP testing includes testing modules like finance, sales, inventory, human resources, etc.
Test...
- Q4. What is angular
- Ans.
Angular is a popular JavaScript framework for building web applications.
Angular is a front-end framework developed by Google.
It allows developers to build dynamic, single-page applications.
Angular uses TypeScript, a superset of JavaScript, for writing code.
It follows the MVC (Model-View-Controller) architectural pattern.
Angular provides features like data binding, dependency injection, and routing.
Some popular examples...
- Q5. What is html
- Ans.
HTML stands for HyperText Markup Language, used for creating and structuring web pages.
HTML is the standard markup language for creating web pages.
It uses tags to define the structure and content of a web page.
Examples of HTML tags include <html>, <head>, <title>, <body>, <p>, <div>, <a>, <img>.
- Q6. What is struts
- Ans.
Struts is a framework for developing Java web applications.
Struts is an open-source framework developed by Apache Software Foundation.
It follows the Model-View-Controller (MVC) architectural pattern.
Struts provides a set of reusable components and tags to simplify web application development.
It uses XML configuration files to define the application's behavior.
Struts supports server-side validation and internationalizat...
- Q7. What is backendserver
- Ans.
A backend server is a server-side component that handles the logic and data processing for an application or website.
Backend servers handle requests from client devices and perform tasks such as data storage, retrieval, and manipulation.
They often communicate with databases, APIs, and other external services.
Backend servers are responsible for processing and validating user input, performing business logic, and generat...
- Q8. What is TU publication
- Ans.
TU publication refers to the publication of research papers, articles, or books by Tribhuvan University.
TU publication includes research papers, articles, and books published by Tribhuvan University.
These publications cover various academic disciplines and research areas.
TU publication plays a crucial role in disseminating knowledge and promoting academic excellence.
Examples of TU publications include journals like Tri...
- Q9. What is school
- Ans.
A school is an educational institution where students acquire knowledge and skills.
Schools provide formal education to students.
They have teachers who instruct students in various subjects.
Schools have classrooms, libraries, laboratories, and other facilities to support learning.
Students attend school to gain knowledge, develop social skills, and prepare for future careers.
Examples of schools include elementary schools
- Q10. What is server administrator
- Ans.
A server administrator is responsible for managing and maintaining the operation of computer servers.
Server administrators handle tasks such as server installation, configuration, and maintenance.
They monitor server performance, troubleshoot issues, and ensure data security.
Server administrators may also manage user accounts, permissions, and backups.
Examples of server administrator roles include Windows Server Adminis
- Q11. What is precondition
- Ans.
A precondition is a condition that must be true before a function or method can be executed.
Preconditions are used to ensure that the inputs to a function or method are valid.
They help prevent errors and unexpected behavior by checking if certain conditions are met.
If a precondition is not satisfied, an exception or error may be thrown.
For example, a precondition for a function that calculates the square root of a numb
- Q12. What is font
- Ans.
A font is a set of characters with a specific style and size used to display text.
Fonts determine the visual appearance of text on a screen or in print.
They include various attributes like typeface, size, weight, and style.
Examples of fonts include Arial, Times New Roman, and Roboto.
Fonts can be customized and applied to different elements of a user interface.
Interview Preparation Tips
Skills evaluated in this interview
I applied via Referral and was interviewed in Feb 2021. There were 3 interview rounds.
Interview Questionnaire
6 Questions
- Q1. What is Android development
- Ans.
Android development is the process of creating applications for the Android operating system.
Android development involves writing code in Java or Kotlin to create mobile applications.
It includes designing user interfaces, implementing functionality, and testing the app.
Developers use Android Studio, an integrated development environment (IDE), for building Android apps.
Android apps can be published on the Google Play S...
- Q2. What is sdk
- Ans. Answered Mar 22, 2021 Sdk Android is a tool that to the developers need in to write app on Android.
- Q3. Explain features of Android development
- Ans.
Android development features include open-source platform, rich development environment, and extensive libraries.
Open-source platform allows for customization and flexibility
Rich development environment with tools like Android Studio
Extensive libraries for various functionalities like UI, networking, and database
Support for multiple hardware devices and screen sizes
Integration with Google services like Maps, Firebase, ...
- Q4. What is use of activity creator
- Ans.
The activity creator is used to create instances of an activity class in Android development.
The activity creator is responsible for instantiating an activity class.
It is typically used when starting a new activity from another activity.
The activity creator can pass data to the new activity through intent extras.
It is commonly used in the onCreate() method of the calling activity.
Example: Intent intent = new Intent(thi
- Q5. What is java
- Ans.
Java is a high-level programming language used for developing a wide range of applications, including Android apps.
Java is an object-oriented language.
It is platform-independent, meaning it can run on any operating system.
Java uses a virtual machine called the Java Virtual Machine (JVM) to execute code.
It has a large standard library with built-in classes and methods for common programming tasks.
Java is known for its s
- Q6. The Java Development Kit is an implementation of either one of the Java Platform, hat is jdk .
Interview Preparation Tips
Skills evaluated in this interview
What people are saying about IBM
I applied via Naukri.com and was interviewed before May 2021. There were 2 interview rounds.
(2 Questions)
- Q1. Activity lifecycle, fragment lifecycle, launch modes and other basic android questions
- Q2. Advantages of Kotlin over Java, High-order function, extension function, Scope functions, Latinit vs lazy, val vs var, val vs const and other basic Kotlin questions
- Ans.
Advantages of Kotlin over Java and basic Kotlin questions
Kotlin is more concise and less error-prone than Java
Kotlin supports null safety and type inference
Kotlin has higher-order functions, extension functions, and scope functions
Kotlin has lazy initialization and immutable variables
Kotlin has const values for compile-time constants
Kotlin is fully interoperable with Java
Examples: val vs var, run vs let, Latinit vs laz
(2 Questions)
- Q1. Technologies used in Android, Unit testing
- Ans.
Android uses Java and Kotlin. Unit testing is done using JUnit and Espresso.
Android uses Java and Kotlin for development
JUnit is used for unit testing of Android applications
Espresso is used for UI testing of Android applications
- Q2. Behavioral questions, Notice period and salary discussion
Interview Preparation Tips
Skills evaluated in this interview
IBM interview questions for designations
Interview questions from similar companies
Interview Questionnaire
1 Question
- Q1. Time management
I applied via Campus Placement and was interviewed before Aug 2020. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Waterfall model, Software development life cycle
- Q2. How do you arrive at factorial without recursive function
- Ans.
Factorial can be calculated using a loop by multiplying numbers from 1 to n.
Initialize a variable to 1
Use a loop to multiply the variable with numbers from 1 to n
Return the variable
Interview Preparation Tips
Interview Questionnaire
3 Questions
- Q1. Process builder. 2.types of relationships. 3.difference in user ,profile and role. 4.workflow. 5.Admin questions
- Ans.
Answering questions related to software development and Salesforce administration.
Process Builder is a visual tool in Salesforce used to automate business processes.
Types of relationships in Salesforce include lookup, master-detail, and many-to-many relationships.
User represents an individual who can log in and access Salesforce, Profile defines the permissions and settings for a user, and Role determines the hierarchy...
- Q2. What configuration i have done.
- Ans.
I have configured various software systems and tools for development purposes.
Configured IDEs such as Eclipse and Visual Studio for development
Set up version control systems like Git and SVN
Installed and configured build tools like Maven and Gradle
Configured application servers like Tomcat and JBoss
Set up databases like MySQL and Oracle for development and testing
- Q3. Salary negotiations
Interview Preparation Tips
Experience: Configuration and what work ee have done in your previous company.
Skills evaluated in this interview
I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Questions on Java,SQL,some trending technologies(IOT,Big data),pattern questions, programming questions with different approaches.
Interview Preparation Tips
I applied via Company Website and was interviewed in Feb 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. I were asked to print the number of pairs in an array whose sum is equal to given number k
- Ans.
Count the number of pairs in an array whose sum is equal to a given number k.
Iterate through the array and for each element, check if k minus the element exists in the array.
Use a hash table to store the frequency of each element in the array.
If the array contains duplicates, handle them separately to avoid overcounting.
Time complexity can be improved to O(n) using a two-pointer approach.
Interview Preparation Tips
I applied via Recruitment Consultant and was interviewed before Oct 2020. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. What is Abstraction
- Ans.
Abstraction is the process of hiding complex implementation details and exposing only the necessary information.
Abstraction helps in reducing complexity and increasing efficiency.
It allows us to focus on the essential features of an object or system.
Abstraction can be achieved through abstract classes, interfaces, and encapsulation.
For example, a car can be abstracted as a vehicle with certain properties and methods.
Ab...
- Q2. Concept of hiding implementation
- Ans.
Hiding implementation means keeping the internal details of a class or function hidden from the outside world.
It is a fundamental principle of object-oriented programming.
It helps in achieving encapsulation and abstraction.
It prevents the user from accessing the internal workings of a class or function.
Examples include private variables and methods in a class.
It allows for easier maintenance and modification of code.
It...
Interview Preparation Tips
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IBM Android Developer Interview Process
based on 1 interview
1 Interview rounds
- Technical Round
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IBM Android Developer Reviews and Ratings
based on 6 reviews
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