EPAM Systems Senior Software Test Engineer Interview Questions and Answers

Find min and max number in an array of strings

• Convert array elements to integers for comparison

• Use built-in functions like Math.min() and Math.max()

• Handle edge cases like empty array or non-numeric elements

Defect life cycle is the process of identifying, reporting, fixing, retesting, and closing software defects.

• Defect identification: Defects are identified through testing or user feedback.

• Defect reporting: Defects are reported in a defect tracking system with details like steps to reproduce, severity, and priority.

• Defect fixing: Developers analyze and fix the reported defects.

• Defect retesting: Testers verify that the fi...read more

Regression testing is retesting of software to ensure new code changes do not adversely affect existing functionality. Performance testing is testing to assess the speed, responsiveness, and stability of a system under a particular workload.

• Regression testing ensures that new code changes do not introduce new bugs or issues in existing functionality.

• Performance testing evaluates the speed, responsiveness, and stability...read more

An x path is a way to navigate through elements in XML or HTML documents.

• Start with a forward slash (/) to indicate the root element

• Use element names to navigate through the document

• Use square brackets to specify conditions for selecting elements

• Use @ symbol to select attributes of elements

Exception handling in Java is a mechanism to handle runtime errors and prevent program crashes.

• Use try-catch blocks to handle exceptions

• Use finally block to execute code regardless of exception

• Use throw keyword to manually throw exceptions

• Use throws keyword in method signature to declare exceptions that can be thrown

Smoke testing is a quick test to check if the basic functionalities of the software are working, while sanity testing is a more thorough test to ensure that the software is ready for further testing.

• Smoke testing is done to check if the critical functionalities of the software are working properly.

• Sanity testing is done to ensure that the software is stable and ready for further testing.

• Smoke testing is usually done be...read more