Ernst & Young Softwaretest Engineer Interview Questions and Answers

Find the dominations

Q1. Implement min stack
Ans. 
Implement a stack that supports finding the minimum element in constant time.
• Create a stack to store elements and another stack to store minimum values.

• When pushing an element, check if it is smaller than the current minimum and push it to the min stack if so.

• When popping an element, check if it is the current minimum and pop from the min stack if so.

• To get the minimum element, simply return the top element of the min
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Q2. Find the lca of a given nodes
Ans. 
The lowest common ancestor (LCA) of two nodes in a tree is the shared ancestor that is located farthest from the root.
• Traverse the tree from the root to find the paths from the root to each node.

• Compare the paths to find the last common node between the two paths, which is the LCA.

• If one node is an ancestor of the other, return that node as the LCA.
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Coding test and self introduction

The test was conducted on Hackerrank platform. It had 2 sections. First section had 6 coding questions. Second section had 10 McQs that checked our CS fundamentals. Overall the difficulty level was moderate to hard level.

Q1. 1. Few questions on the projects like the purpose and tech stack. 2. Process concepts. 3. Segmentation and fragmentation. 4. Delete elements from linked list 5. Bit manipulation 6. little endian to big end...read more
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Q1. Basic questions related to family and hobbies
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Q2. Question from Resume based on skills and tools mentioned in it
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Q1. Core JAVA in depth including Algorithms
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Q1. Design patterns, Java basic in depth
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Q1. Why you want to Join
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Q1. About yourself and academic details and strength and weakness and how many sebbling and as well as project title as well as procedure
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Q2. About company and why your choosing in this company and salary package expected
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Q1. What is Selenium?
Ans. 
Selenium is a popular open-source tool used for automating web browsers.
• Selenium supports multiple programming languages like Java, Python, and C#.

• It can automate web browsers across different platforms like Windows, Mac, and Linux.

• Selenium can be used for functional testing, regression testing, and browser compatibility testing.

• It allows users to write test scripts in a variety of formats such as HTML, Java, C#, and P
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Q2. What is cucumber framework?
Ans. 
Cucumber is a testing framework that supports Behavior Driven Development (BDD) by allowing tests to be written in plain text.
• Cucumber uses Gherkin syntax to define test cases in a human-readable format

• It allows collaboration between technical and non-technical team members

• Cucumber tests are written in feature files with scenarios and steps

• It integrates with various programming languages like Java, Ruby, etc.
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Q1. Explain your framework structure
Ans. 
My framework structure is based on a modular approach with reusable components and clear separation of concerns.
• Modular design with separate modules for different functionalities

• Reusable components to avoid duplication of code

• Clear separation of concerns for easy maintenance and scalability
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Q2. What are waits in selenium you use in your project
Ans. 
Waits in Selenium are used to ensure that the automation script waits for a certain condition to be met before proceeding.
• Implicit Wait: Waits for a certain amount of time before throwing a NoSuchElementException.

• Explicit Wait: Waits for a certain condition to be met before proceeding.

• Fluent Wait: Waits for a condition with a specified frequency of checking.

• Thread.sleep(): Pauses the script execution for a specified am
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Self introduction
About the software companies how to development

Q1. Explain the project details on college Why you intrest in this job
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