EPAM Systems QA Lead Interview Questions and Answers

Interface in OOPS is used to achieve abstraction and multiple inheritance. It allows for run time polymorphism by implementing methods in different classes.

• Interface in OOPS is a blueprint of a class that includes abstract methods without any implementation.

• Interfaces are used to achieve abstraction, multiple inheritance, and loose coupling in code.

• To implement run time polymorphism using interfaces, create multiple cl...read more

Update and delete queries in SQL

• For updating a record in a table: UPDATE table_name SET column1 = value1, column2 = value2 WHERE condition;

• For deleting a record from a table: DELETE FROM table_name WHERE condition;

I use both Saucelab and Browserstack for different purposes. Saucelab for automated testing and Browserstack for manual testing.

• I use Saucelab for automated testing as it provides a cloud-based platform for running tests on multiple browsers and devices.

• I use Browserstack for manual testing as it allows me to interact with the application in real-time on various browsers and devices.

• Saucelab is great for continuous int...read more