EPAM Systems Interview Questions, Process, and Tips

Interfaces in software engineering are used to define a contract for classes to implement certain methods or properties.

• Interfaces define a set of methods or properties that a class must implement.

• They allow for polymorphism, where different classes can be treated as instances of the same interface.

• Interfaces help in achieving loose coupling between classes.

• They are commonly used in languages like Java and C#.

• Example: ...read more

CI/CD stands for Continuous Integration/Continuous Deployment. It is a software development practice that enables frequent and automated code integration, testing, and deployment.

• CI/CD is a set of practices and tools that aim to automate the software development process.

• Continuous Integration involves regularly merging code changes into a shared repository and running automated tests to detect integration issues.

• Contin...read more

Frameworks in automation are pre-defined structures that provide a foundation for test automation.

• Frameworks help in organizing and managing test scripts.

• They provide reusable components and libraries for efficient automation.

• Frameworks offer built-in reporting and logging mechanisms.

• They support integration with various tools and technologies.

• Popular frameworks include Selenium, TestNG, Cucumber, and Robot Framework.

LinkedHashMap is a subclass of HashMap with predictable iteration order based on insertion order.

• Maintains a doubly-linked list of entries to preserve insertion order

• Supports access-order and insertion-order modes

• Access-order mode reorders entries based on access frequency