LeadSquared QA Engineer Interview Questions and Answers

One Medium level greedy question was asked

Coding question was asked

Q1. Introduction of yoirself
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Q2. Previous exoerience
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Q1. I have very bad experience with this company. HR scheduled technical round on Monday 11 AM. panel was not aware and joined 30 mins late. Then he started asking questions unrelated to my profile. I said i h...read more
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Q2. Question related to - 1. @DataProviders of TestNG 2. Alternative of excel sheet to get our test data in automation framework 3. how to set up jenkins pipeline, how to create job 4. how to give global par...read more
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Q1. Oops concepts in c#
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Oops concepts in C# include inheritance, polymorphism, encapsulation, and abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Polymorphism allows objects to be treated as instances of their parent class.

• Encapsulation hides the internal state of an object and only exposes necessary functionality.

• Abstraction focuses on the essential characteristics of an object while hiding irrele
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Q2. Automation Framework related questions
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Q1. Hashmap implementation
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Hashmap is a data structure that stores key-value pairs and provides constant time complexity for insertion, deletion, and retrieval.
• Hashmap uses hashing function to map keys to indices in an array

• Collisions can occur when two keys map to the same index, which can be resolved using separate chaining or open addressing

• Java implementation: HashMap<String, Integer> map = new HashMap<>()
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Q2. Server and environment
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Q3. Differentce Between een Spring boot,spring
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Spring is a framework while Spring Boot is a tool that simplifies Spring application development.
• Spring Boot provides auto-configuration and embedded servers.

• Spring requires more configuration and setup.

• Spring Boot is opinionated and follows 'convention over configuration'.

• Spring Boot reduces boilerplate code.

• Spring Boot is ideal for microservices and standalone applications.
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Q4. Type of conttoler in spring and type of annotations
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The type of controller in Spring is @Controller and the type of annotations are @RequestMapping and @ResponseBody.
• @Controller is used to mark a class as a Spring MVC controller.

• @RequestMapping is used to map a URL to a method in a controller.

• @ResponseBody is used to indicate that the return value of a method should be serialized and returned as the response body.
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Q5. What is junkins why we use
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Junkins is not a known term in software engineering.
• Junkins is not a term used in software engineering.

• It is possible that the interviewer misspoke or meant to ask a different question.

• It is important to clarify any confusion or misunderstandings during an interview.
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