10+ VYOM Interview Questions and Answers

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 Store and run on various devices.

• Examples of Android apps i...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(this, SecondActivity.class); startActivity(intent);

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 lazy

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, and Play Store

• Ability to create interactive and engaging u...read more

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 simplicity, readability, and robustness.

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.

• Testers use various techniques like functional testing, integr...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 generating responses.

• Examples of backend server technologies incl...read more

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 trends.

• Examples: Android Developer, Web Developer, Game D...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, high schools, colleges, and universities.

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 Administrator, Linux System Administrator, etc.

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 Tribhuvan University Journal and books published by TU Press.

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

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 testing tools/frameworks for Android development are Espress...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 internationalization.

• Example: Struts can be used to develop web application...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 of applications built with Angular are Gmail, Netflix, an...read more

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>.

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 number could be that the number must be positive.

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.