Xyz Company Interview Questions, Process, and Tips for Experienced

Fragments are reusable UI components within an Activity, allowing for more modular and flexible design.

• Fragments can be added or removed dynamically within an Activity.

• Activities represent a single screen with a user interface, while Fragments can be used to create multi-pane layouts for tablets.

• Fragments have their own lifecycle and can be reused across multiple Activities.

• Example: A news app may use a Fragment to dis...read more

Yes, faced issues in project

• Encountered compatibility issues with different Android versions

• Struggled with optimizing app performance for lower-end devices

• Had challenges with integrating third-party APIs

Exit is a normal termination of a program, while abort is an abnormal termination.

• Exit is a voluntary termination initiated by the program itself, while abort is an involuntary termination forced by an external factor.

• Exit allows the program to clean up resources and perform necessary tasks before termination, while abort does not provide this opportunity.

• Examples: Calling the exit() function in C to terminate a progra...read more

Data engineering involves designing, building, and maintaining systems for collecting, storing, and analyzing data.

• Data engineering focuses on the architecture and infrastructure needed to handle large volumes of data.

• It involves creating pipelines to extract, transform, and load data into databases or data warehouses.

• Data engineers work closely with data scientists and analysts to ensure data is accessible and usable ...read more

Selenium is a popular open-source automation testing tool used for web applications.

• Selenium supports multiple programming languages like Java, Python, C#, etc.

• It allows testers to write test scripts in a variety of IDEs like Eclipse, IntelliJ, etc.

• Selenium WebDriver is the most commonly used component for automating web browsers.

• Selenium Grid enables parallel execution of tests across different browsers and operating