Zensar Technologies Data Engineer Interview Questions and Answers

Design patterns are reusable solutions to common software problems. Android system uses various design patterns.

• MVC (Model-View-Controller) pattern is used in Android to separate UI logic from business logic.

• Singleton pattern is used to ensure only one instance of a class is created.

• Observer pattern is used to notify changes in data to multiple components.

• Builder pattern is used to simplify complex object creation.

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Company payroll process is the system used to manage employee compensation and benefits.

• Payroll process includes calculating employee salaries, taxes, and deductions

• It also involves managing employee benefits such as health insurance and retirement plans

• Payroll process can be done in-house or outsourced to a third-party provider

• It is important to ensure compliance with labor laws and regulations

• Payroll process can be a