NCR Voyix Automation Engineer Interview Questions and Answers

Q1. Sort the list of a given array of strings
Ans. 
Sort a given array of strings
• Use built-in sorting functions in programming languages

• Implement sorting algorithms like bubble sort, merge sort, etc.

• Consider case sensitivity and special characters
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Q2. Maximum number of repeating characters in a string
Ans. 
The maximum number of repeating characters in a string needs to be determined.
• Iterate through each character in the string and keep track of the count of consecutive repeating characters.

• Update the maximum count whenever a new maximum is found.

• Return the maximum count at the end of the iteration.
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Q3. Type script and java script arrow function loops if else condition
Ans. 
Explaining type script and java script arrow function loops with if else condition.
• TypeScript and JavaScript both support arrow functions for concise syntax.

• Arrow functions can be used in loops to simplify code.

• If-else conditions can be used with arrow functions to add logic.

• Example: const numbers = [1, 2, 3]; numbers.forEach(num => {if(num % 2 === 0) {console.log(num + ' is even');} else {console.log(num + ' is odd');
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Q4. Parallel browser testing, test ng, oops concept
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Q5. Scaled agile framework related questions
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Q6. Selenium and cypress difference ? How to choose best tool
Ans. 
Selenium is widely used for web automation while Cypress is a newer tool with better performance and debugging capabilities.
• Selenium supports multiple programming languages while Cypress only supports JavaScript.

• Cypress has a built-in test runner and debugger while Selenium requires third-party tools.

• Selenium is better for cross-browser testing while Cypress is better for end-to-end testing.

• Choose Selenium for larger a...read more
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Q7. Comparator and comparable difference?
Ans. 
Comparator and Comparable are interfaces used for sorting objects in Java.
• Comparator interface is used to sort objects based on custom criteria.

• Comparable interface is used to sort objects based on their natural order.

• Comparator interface has two methods: compare() and equals().

• Comparable interface has one method: compareTo().
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Q8. Fail-safe and fail-fast iterator?
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Q1. Opps concept and exception handling
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Simple interest

General aptitude and out put realted questions

Face to face dsa and string manipulations

Q1. General Programming Questions
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Q1. Business related questions were asked
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Q1. Salary Discussion
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Q1. They mostly asked about Java questions and few scenarios to write test cases.
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Q2. Most of the questions are java questions
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Q1. Networking related questions
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Q2. Questions related to file transfer between multiple systems
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Q1. Multithreading questions
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Q2. Related to multiple thread synchronization, lock etc
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Space and time complexities were asked for program

Q1. Managerial round
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