EPAM Systems Senior Test Engineer Interview Questions and Answers for Experienced

Good Programming code simple but complex

Q1. Tell me About yourself
Add your answer
Q2. Tell me about your framework
Ans. 
My framework is a data-driven automation framework built using Selenium WebDriver and TestNG.
• Built using Selenium WebDriver for web automation

• Utilizes TestNG for test case management and execution

• Follows data-driven approach for test data separation

• Includes reporting features for test result analysis
Answered by AI
Add your answer
Q3. Explain Static keyword in Java
Ans. 
Static keyword in Java is used to create class-level variables and methods that can be accessed without creating an instance of the class.
• Static variables are shared among all instances of a class.

• Static methods can be called without creating an object of the class.

• Static blocks are used to initialize static variables.

• Static keyword can also be used to create static nested classes.
Answered by AI
Add your answer
Q4. Explain FInal Keyword in java
Ans. 
Final keyword in Java is used to restrict the user from changing the value of a variable, making it a constant.
• Final keyword can be applied to variables, methods, and classes.

• Final variables must be initialized and cannot be reassigned.

• Final methods cannot be overridden in subclasses.

• Final classes cannot be subclassed.
Answered by AI
Add your answer
Q5. Diff between abstract and interface
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have constructors, fields, and methods, while interface cannot have any implementation.

• A class can extend only one abstract class but can implement multiple interfaces.

• Abstract classes are used to define a common behavior for subclasses, while interfaces are used to define a contract for cla...read more
Answered by AI
Add your answer

Q1. Sort arraylist with a custom object.
Ans. 
Sort arraylist of custom objects using Comparator interface.
• Implement Comparator interface in custom object class.

• Override compare method to define custom sorting logic.

• Use Collections.sort() method to sort the arraylist.
Answered by AI
Add your answer
Q2. Java streams and lambda functions
Add your answer

Q1. Longest prefix in a given array of words
Ans. 
Find the longest common prefix among an array of strings
• Iterate through the characters of the first word and compare with the corresponding characters of other words

• Stop when a mismatch is found or when reaching the end of any word

• Return the prefix found so far
Answered by AI
Add your answer

Q1. Framework specific
Add your answer

Q1. Test Plan vs Test Strategy
Ans. 
Test plan outlines the scope, approach, resources, and schedule for testing, while test strategy defines the overall testing approach and goals.
• Test plan is a detailed document that describes the scope, objectives, resources, schedule, and approach for testing a specific feature or product.

• Test strategy is a high-level document that outlines the overall testing approach, goals, resources, and timelines for the entire p...read more
Answered by AI
Add your answer