Hero Lectro Senior Manager QA Interview Questions and Answers

Q1. Write the program -> input -> aabbccc. Output -> a2b2c3
Ans. 
Program to count consecutive characters in a string
• Iterate through the string and compare each character with the next one

• Maintain a count for each character and append to the output string when a different character is encountered

• Example: input 'aabbccc' -> output 'a2b2c3'
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Q2. Write the dynamic xpath (both relative and absolute)
Ans. 
Dynamic xpath is a way to locate elements on a web page based on changing attributes or positions.
• Use functions like contains(), starts-with(), or ends-with() to create dynamic xpaths

• Avoid using indexes in xpaths as they can change with page updates

• Consider using unique attributes or text within the element to create a reliable xpath
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Q3. API difference between put and patch
Ans. 
PUT is used to update or replace an entire resource, while PATCH is used to update specific fields of a resource.
• PUT is idempotent, meaning multiple identical requests will have the same effect as a single request.

• PATCH is not necessarily idempotent, as multiple identical requests may have different effects.

• PUT requires the client to send the entire updated resource, while PATCH only requires the client to send the spe
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Q4. Basic SQL query
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Print the webtable and gett all the data

Q1. Whdn prioty -1 and 1 is implimented which will execute first
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Q1. What is BVA Testing?
Ans. 
BVA Testing stands for Boundary Value Analysis Testing, a software testing technique to test the boundary values of input ranges.
• BVA Testing is used to identify errors at the boundaries of input ranges.

• It involves testing the minimum and maximum values, as well as just inside and just outside the boundaries.

• For example, if a system accepts values from 1 to 10, BVA Testing would test values 0, 1, 10, and 11.
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Q2. High severity low priority
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Q3. Test technics
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Q4. Test methodologies
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Q1. Favorite bug? time you had to resolve conflict with manager.
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Reverse linked list. followup for optimized way.

Q1. What are the drawback for selenium
Ans. 
Drawbacks of Selenium include limited support for non-web applications and challenges in handling dynamic web elements.
• Limited support for non-web applications, such as desktop or mobile apps

• Challenges in handling dynamic web elements, leading to flakiness in tests

• Steep learning curve for beginners

• Requires programming knowledge to create and maintain test scripts

• Slower execution speed compared to other automation tools
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Q2. Multiple occurrence in a string
Ans. 
Count the number of occurrences of a specific substring in a given string.
• Use a loop to iterate through the string and check for the occurrence of the substring.

• Use the indexOf method to find the position of the substring in the string.

• Increment a counter each time the substring is found.
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Q1. Tell me about yourself
Ans. 
I am a dedicated QA QC Engineer with 5 years of experience in ensuring product quality and compliance with industry standards.
• Experienced in conducting quality control inspections and audits

• Skilled in developing and implementing quality assurance processes

• Proficient in using testing tools and techniques to identify defects

• Strong attention to detail and problem-solving skills

• Excellent communication and teamwork abilitie
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Q2. What is selenium
Ans. 
Selenium is a popular open-source automation testing tool used for web application testing.
• Selenium is used for automating web browsers.

• It supports multiple programming languages like Java, Python, C#, etc.

• Selenium WebDriver is the most commonly used component for writing automation scripts.

• Selenium Grid is used for parallel testing across different browsers and environments.
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MCQ test conducted including questions based on Java basics, Collection,& selenium

Q1. Explain OOPs concepts in Java
Ans. 
OOPs concepts in Java include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class)

• Inheritance: Allows a class to inherit properties and behavior from another class

• Polymorphism: Ability to present the same interface for different data types

• Abstraction: Hiding the implementation details and showing only the necessary feature
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Q2. Robot class & Actions class
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Java hashmap and strings

Q1. About CI/CD pipeline
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Q2. Automation
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