EPAM Systems Senior Test Engineer Interview Questions, Process, and Tips

Good Programming code simple but complex

Q1. Tell me About yourself
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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
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Q3. Explain Static keyword in Java
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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.
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Q4. Explain FInal Keyword in java
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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.
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Q5. Diff between abstract and interface
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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
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Q1. Sort arraylist with a custom object.
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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.
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Q2. Java streams and lambda functions
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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
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Q1. Framework specific
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Q1. Test Plan vs Test Strategy
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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
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