Wipro AVP Quality Interview Questions and Answers

Q1. "Hello world" java program to print the count of letter 'l'
Ans. 
A Java program to count the occurrences of the letter 'l' in the string 'Hello world'.
• Create a Java program with a main method.

• Initialize a String variable with the value 'Hello world'.

• Use a loop to iterate through each character in the string and count the occurrences of the letter 'l'.

• Print the count of 'l' at the end.
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Q2. "Hello world" java program to print output as "olleH dlrow"
Ans. 
Reverse the characters of each word in a given string
• Split the input string into an array of words

• Reverse each word in the array

• Join the reversed words back into a single string
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Q3. What is the diff between comparator and comparable
Ans. 
Comparator is an interface used to sort objects, while Comparable is an interface used to compare objects for natural ordering.
• Comparator is used to define custom sorting logic for objects, while Comparable is used for natural ordering based on the class's implementation of compareTo() method.

• Comparator can be used to sort objects of different classes, while Comparable is implemented within the class itself.

• Example: So...read more
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Q4. What is lamda expression
Ans. 
Lambda expression is a concise way to represent an anonymous function in programming languages.
• Lambda expressions are used to create small, inline functions without a formal definition.

• They are commonly used in functional programming languages like Python, Java, and C#.

• Lambda expressions can be used to simplify code and make it more readable.

• Example: (x, y) -> x + y is a lambda expression that takes two parameters a
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Q5. What is contructor chaining
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Constructor chaining is the process of calling one constructor from another constructor in a class.
• Allows reusing code and avoiding duplication

• Can be achieved using 'this' keyword in the constructor

• Helps in initializing objects with different parameters
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Q6. Appium & Selenium architecture
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Q7. How to handle notifications in mobile automation
Ans. 
Handle notifications in mobile automation by using automation tools to interact with notifications, verify content, dismiss or respond to them.
• Use automation tools like Appium or Espresso to interact with notifications

• Verify the content of notifications by extracting text or images

• Dismiss notifications to continue with test execution

• Respond to notifications if required for test scenarios

• Handle different types of notifi...read more
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Q8. How to handle if element xpath is different in ios and android apps
Ans. 
Use platform-specific locators or conditional statements to handle different element xpaths in iOS and Android apps.
• Use platform-specific locators like accessibility id for iOS and resource id for Android

• Implement conditional statements to switch between different xpaths based on the platform

• Utilize Appium's platformName capability to identify the platform and adjust the element xpath accordingly
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Q9. Different TestNG annotations and order
Ans. 
TestNG annotations include @Test, @BeforeMethod, @AfterMethod, @BeforeClass, @AfterClass, @BeforeSuite, @AfterSuite
• @Test - denotes a test method

• @BeforeMethod - runs before each test method

• @AfterMethod - runs after each test method

• @BeforeClass - runs before the first test method in the current class

• @AfterClass - runs after the last test method in the current class

• @BeforeSuite - runs before all tests in the suite

• @AfterSu
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Q10. What is pom.xml and how to mention dependencies
Ans. 
pom.xml is a configuration file used in Maven projects to define project settings and dependencies.
• pom.xml stands for Project Object Model XML

• It is used in Maven projects to manage project configuration, build settings, and dependencies

• Dependencies are mentioned inside the <dependencies> tag in pom.xml

• Each dependency is specified with <groupId>, <artifactId>, and <version>
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Q1. Asked about my current project
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Q2. Started asking questions like whats there in ur project to do ETL testing??
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Q3. You have automation exp and you will be having greate future in automation then why you choosed ETL as ur career??
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Q4. We need Supply chain Management related experience candidate but your exp is something else so its won't workout .. like that .
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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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Q1. What is the average rating for a company like Cognizant from your side
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Q2. What is the annual child birth ratio of an average Indian ?
Ans. 
The annual child birth ratio of an average Indian is approximately 2.3 children per woman.
• The total fertility rate in India is around 2.3 children per woman.

• This rate varies across different states and regions in India.

• Factors such as education, socio-economic status, and cultural norms influence the fertility rate.

• For example, states like Bihar and Uttar Pradesh have higher fertility rates compared to Kerala and Tamil
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Q3. What are the ways through which a company can startup or switch on with their collaborating projects?
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Q4. What are the general concepts which we can apply when there is a crisis happens to our company ?
Ans. 
During a crisis, general concepts to apply include effective communication, quick decision-making, adaptability, and teamwork.
• Effective communication is crucial to keep all stakeholders informed and aligned.

• Quick decision-making is necessary to address the crisis promptly and minimize its impact.

• Adaptability is key to adjusting strategies and plans as the situation evolves.

• Teamwork is essential for pooling resources an
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Q5. When does an employer renew his/her contract after the notice period or before the notice period
Ans. 
Employers typically renew contracts before the notice period.
• Employers usually renew contracts before the notice period to ensure continuity in the work relationship.

• Renewing the contract before the notice period allows both parties to plan ahead and make necessary arrangements.

• In some cases, employers may choose to renew the contract during the notice period if negotiations are ongoing.

• It is important for employers to...read more
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Q1. Collections,List set diff,basic coding
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Q2. Cucumber basics
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Q3. Java interface Framework explanation
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MCQ BASED - medium to difficult

Assignment based on your profile , scenario based must

Q1. About your previous company work and programming related questions
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Q2. Oops concept , dsa , sql , debugging a problem in your code
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Q1. What is the role of a Quality Inspector?
Ans. 
Quality Inspectors are responsible for ensuring products meet quality standards by inspecting, testing, and reporting on the quality of products.
• Inspect products to ensure they meet quality standards

• Conduct tests to identify defects or issues

• Report on the quality of products and recommend improvements

• Collaborate with production teams to address quality concerns

• Maintain documentation of inspection results
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Q2. What are the differences between Quality Assurance (QA) and Quality Control (QC)?
Ans. 
QA focuses on preventing defects in the production process, while QC focuses on identifying defects in the final product.
• QA is process oriented, focusing on improving and monitoring the processes used to create the product.

• QC is product oriented, focusing on identifying defects in the final product through inspections and testing.

• QA is proactive, aiming to prevent defects before they occur.

• QC is reactive, identifying d...read more
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There are just a few logical and reasoning questions, and the second part of the test pertains to English proficiency.

Q1. Basic Introduction
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Q2. What provokes you to leave your previous organisation.
Ans. 
Lack of growth opportunities and stagnant work environment.
• Limited opportunities for career advancement

• Feeling of being undervalued or unappreciated

• Stagnant work environment with no new challenges or learning opportunities
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Q1. Basic introduction
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Q2. What projects have you previously worked on?
Ans. 
I have worked on various projects including implementing quality assurance processes, conducting test cases, and analyzing data.
• Implemented quality assurance processes to ensure product quality

• Conducted test cases to identify bugs and issues

• Analyzed data to improve product performance

• Worked on projects in industries such as software development and healthcare
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Q3. What are the biggest challenges you faced in your previous organisation?
Ans. 
Some of the biggest challenges I faced in my previous organization included managing tight deadlines, resolving conflicts within teams, and adapting to changing project requirements.
• Managing tight deadlines for multiple projects simultaneously

• Resolving conflicts within teams and promoting effective communication

• Adapting to changing project requirements and priorities
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Q4. What is a pivot table, and what is its significance in quality ?
Ans. 
A pivot table is a data processing tool used to summarize, analyze, and present large amounts of data in a structured format.
• Pivot tables allow users to rearrange and summarize data from a spreadsheet or database table to analyze trends and patterns.

• They help in identifying relationships between different data points and making data-driven decisions.

• Pivot tables can be used to calculate averages, sums, counts, and othe...read more
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Q5. What are the seven tools of quality?
Ans. 
The seven tools of quality are a set of techniques used for quality control and improvement in manufacturing and service industries.
• Check sheet: Used for collecting and analyzing data, such as defects or errors.

• Control chart: Monitors process variation over time to identify trends or patterns.

• Histogram: Displays data distribution to identify patterns or outliers.

• Pareto chart: Helps prioritize issues by showing the most...read more
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Q6. What is the formula for calculating variance and error percentage based on the total number of samples?
Ans. 
The formula for calculating variance is the sum of squared differences between each data point and the mean, divided by the total number of samples. Error percentage is the absolute difference between the actual and predicted values, divided by the actual value, multiplied by 100.
• Variance = Σ((X - μ)²) / N, where X is each data point, μ is the mean, and N is the total number of samples

• Error percentage = |(Actual - Pred...read more
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Q7. What is your understanding of Root Cause Analysis (RCA), and why is it considered important?
Ans. 
RCA is a systematic process used to identify the underlying causes of problems or issues in order to prevent their recurrence.
• RCA involves investigating an issue or problem to determine the root cause(s) rather than just addressing the symptoms.

• It helps in identifying systemic issues within processes or systems that may be contributing to the problem.

• RCA aims to prevent the recurrence of issues by addressing the root c...read more
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