EPAM Systems Softwaretest Engineer Interview Questions and Answers

Q1. CDS Annotations
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Q2. Difference between interface and abstract class
Ans. 
Interface is a contract specifying methods that a class must implement, while abstract class can have both implemented and abstract methods.
• Interface can only have abstract methods and cannot have any implementation, while abstract class can have both abstract and non-abstract methods.

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

• Interfaces are used to achieve multiple inheritan...read more
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Q3. Scenario based question from RAP and OO ABAP
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Q4. Scenario based questions on Odata and CDS
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Simple DSA questions based on arrays and linkedlist

Q1. Remove duplicates from the string.
Ans. 
Use a set to remove duplicates from a string array.
• Create a set to store unique strings.

• Iterate through the array and add each string to the set.

• Convert the set back to an array to get the unique strings.
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Q2. Write a code for binary search
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Binary search code implementation in Python
• Define a function that takes a sorted array and a target value as input

• Initialize variables for low and high indices

• Use a while loop to continue searching until low is less than or equal to high

• Calculate mid index and compare value at mid with target

• Update low or high based on comparison result
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Q1. Why you want to join Epam?
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I want to join Epam because of its reputation for cutting-edge technology and opportunities for career growth.
• Epam is known for its innovative projects and use of advanced technologies.

• I am impressed by Epam's commitment to employee development and training programs.

• I believe working at Epam will provide me with the opportunity to work on challenging projects and grow my skills.
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Q2. What are your strengths and weakness?
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My strengths include attention to detail, problem-solving skills, and strong communication. My weakness is sometimes taking on too much work at once.
• Strengths: attention to detail

• Strengths: problem-solving skills

• Strengths: strong communication

• Weakness: taking on too much work at once
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Q1. List list =Arrays.asList("pen", "pensil","book","notebook"); 1) find the string start with p 2) or second word is "o" Use java 8 stream only
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Use Java 8 streams to filter a list of strings based on specific criteria: starting with 'p' or having 'o' as the second character.
• Stream Creation: Convert the list to a stream using list.stream().

• Filtering: Use filter() to apply conditions: startsWith('p') or second character is 'o'.

• Collecting Results: Use collect(Collectors.toList()) to gather the filtered results into a new list.

• Example Code: List<String> filt...read more
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Q2. What is the most repeated word in the string "test is test in java spring test"?
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Went well and was good

Went well and was good

Q1. Reverse a string
Ans. 
A function to reverse a given string and return it.
• Create an empty string to store the reversed string

• Iterate through the original string from end to start and append each character to the new string

• Return the reversed string
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