IBM Android Developer Interview Questions and Answers

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...read more

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...read more

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...read more

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...read more

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...read more

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...read more

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...read more

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...read more

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.

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...read more

An SDK (Software Development Kit) is a collection of tools, libraries, and documentation for building software applications.

• SDKs provide APIs (Application Programming Interfaces) for developers to interact with specific platforms.

• Examples include Android SDK for Android app development and iOS SDK for iOS apps.

• SDKs often include sample code, debugging tools, and emulators to facilitate development.

• They help streamline ...read more

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...read more