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Xylem Water Solutions QA Engineer Interview Questions, Process, and Tips

Updated 23 Jun 2024

Xylem Water Solutions QA Engineer Interview Experiences

1 interview found

QA Engineer Interview Questions & Answers

user image Sakshi Sharma

posted on 23 Jun 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Referral and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - Technical 

(8 Questions)

  • Q1. Difference between abstract and interface. Create an object for an abstract class.
  • Ans. 

    Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.

    • Abstract class can have constructors, fields, and non-abstract methods along with abstract methods.

    • Interfaces can only have abstract methods and constants, no constructors or fields.

    • An abstract class can provide a default implementation for some methods, while an interface cannot.

    • An abstract class can be exten...

  • Answered by AI
  • Q2. Difference between findelement and findelements
  • Ans. 

    findelement returns the first matching element on the page, findelements returns a list of all matching elements.

    • findelement returns a single WebElement, findelements returns a list of WebElements

    • findelement throws NoSuchElementException if no element is found, findelements returns an empty list

    • Example: driver.findElement(By.id("exampleId")) vs driver.findElements(By.className("exampleClass"))

  • Answered by AI
  • Q3. Test scenarios for facebook login page
  • Ans. 

    Test scenarios for Facebook login page

    • Verify login with valid credentials

    • Verify login with invalid credentials

    • Verify login with empty username and password fields

    • Verify login with incorrect password

    • Verify login with incorrect username

    • Verify login with special characters in username and password

    • Verify login with locked account

    • Verify login with expired password

    • Verify login with CAPS LOCK on

    • Verify login with multiple logi

  • Answered by AI
  • Q4. Difference between regression and integration testing
  • Ans. 

    Regression testing ensures that new code changes do not adversely affect existing functionality, while integration testing checks if different modules work together correctly.

    • Regression testing focuses on retesting existing functionality after code changes

    • Integration testing checks if different modules work together as expected

    • Regression testing is usually automated to save time and effort

    • Integration testing may involv...

  • Answered by AI
  • Q5. Program to remove white spaces from string without any inbuilt function and explain
  • Ans. 

    Program to remove white spaces from string without any inbuilt function

    • Iterate through each character in the string

    • Create a new string and add non-white space characters to it

    • Return the new string without white spaces

  • Answered by AI
  • Q6. How to validate the checkbox is checked
  • Ans. 

    To validate if a checkbox is checked, use Selenium WebDriver to locate the checkbox element and then use the isSelected() method to check if it is checked.

    • Locate the checkbox element using Selenium WebDriver

    • Use the isSelected() method to check if the checkbox is checked

    • Assert the result to validate if the checkbox is checked

  • Answered by AI
  • Q7. How you can validate the button present on the UI is actually blue in colour
  • Ans. 

    To validate the button color, inspect the CSS properties or use a color picker tool.

    • Inspect the CSS properties of the button element to check the color value

    • Use a color picker tool to sample the color of the button on the UI

    • Compare the sampled color with the expected blue color value

  • Answered by AI
  • Q8. How you can validate the data with any value is present in the table in selenium
  • Ans. 

    You can validate data presence in a table using Selenium by locating the table element and then searching for the desired value.

    • Locate the table element using Selenium WebDriver

    • Iterate through the rows and columns of the table to find the desired value

    • Use assertions to validate if the value is present in the table

  • Answered by AI
Round 2 - Behavioral 

(5 Questions)

  • Q1. Can we overload/override function having same signatures but have different return types in java!
  • Ans. 

    No, in Java you cannot overload/override functions based on return types.

    • In Java, method overloading is based on the number and type of parameters, not the return type.

    • Method overriding is based on the method signature, which includes the method name, parameter types, and order, but not the return type.

    • Attempting to overload or override a method based solely on return type will result in a compilation error.

  • Answered by AI
  • Q2. Difference between put and patch
  • Ans. 

    PUT is used to update or replace an entire resource, while PATCH is used to update or modify a part 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 sp...

  • Answered by AI
  • Q3. How you can print numbers from one to 1000 without using any loop
  • Ans. 

    Use recursion to print numbers from 1 to 1000 without using loops

    • Create a recursive function that takes a number as input

    • Print the number and call the function with the next number until 1000 is reached

  • Answered by AI
  • Q4. About the project you've worked on
  • Q5. What are the majors have in this you have faced while performing testinge

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Tell me about your self
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Java questions basic testing concepts

Round 2 - Technical 

(1 Question)

  • Q1. BASIC JAVA Questions
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Nov 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Apptitude test was quite easy to attend

Round 2 - Coding Test 

Hackerrank platform was used for coding round.

Round 3 - HR 

(2 Questions)

  • Q1. Salary expectations
  • Q2. Willing to relocate
  • Ans. 

    Yes, I am willing to relocate for the right opportunity.

    • I am open to relocating for a position that aligns with my career goals and offers growth opportunities.

    • I have relocated in the past for job opportunities and have found it to be a positive experience.

    • I understand that relocation may come with challenges, but I am prepared to adapt and thrive in a new environment.

  • Answered by AI

Interview Questionnaire 

14 Questions

  • Q1. What are the benefits of the microservices?
  • Ans. 

    Microservices offer benefits such as scalability, flexibility, and easier maintenance.

    • Scalability: Microservices can be scaled independently, allowing for better resource utilization.

    • Flexibility: Microservices can be developed and deployed independently, allowing for faster iteration and innovation.

    • Easier maintenance: Microservices are smaller and more focused, making it easier to identify and fix issues.

    • Improved fault...

  • Answered by AI
  • Q2. Differences between spring and spring boot?
  • Ans. 

    Spring is a framework while Spring Boot is an extension of Spring.

    • Spring Boot provides auto-configuration and embedded servers.

    • Spring Boot reduces boilerplate code and simplifies application setup.

    • Spring Boot is opinionated and provides defaults for configuration.

    • Spring Boot is ideal for microservices and standalone applications.

    • Spring is more flexible and customizable than Spring Boot.

  • Answered by AI
  • Q3. Have you configured service registry?
  • Ans. 

    Yes, I have configured service registry.

    • I have experience with service registry tools like Consul and Eureka.

    • I have configured service registry for microservices architecture.

    • I have implemented service discovery and load balancing using service registry.

    • I have used service registry to manage service endpoints and metadata.

  • Answered by AI
  • Q4. What is the use of profile registry? how can you configured in your project
  • Ans. 

    Profile registry is used to store user profiles and their preferences in a centralized location.

    • Profile registry is used to manage user profiles and preferences in a centralized location

    • It can be configured in a project by defining the schema for user profiles and preferences

    • Profile registry can be accessed through APIs or SDKs

    • It can be used to personalize user experience and provide targeted content

    • Examples of profile...

  • Answered by AI
  • Q5. How spring boot work internally?
  • Ans. 

    Spring Boot is a framework that simplifies the development of Java applications by providing pre-configured settings and dependencies.

    • Spring Boot uses an embedded server to run applications.

    • It provides auto-configuration for commonly used libraries and frameworks.

    • Spring Boot uses Spring Framework's core features like Inversion of Control (IoC) and Aspect Oriented Programming (AOP).

    • It uses annotations to configure and c...

  • Answered by AI
  • Q6. If a microservice is down, then how can you handle that situation?
  • Ans. 

    We can handle the situation by implementing fault tolerance mechanisms.

    • Implementing circuit breakers to prevent cascading failures

    • Using load balancers to redirect traffic to healthy instances

    • Implementing retry mechanisms to handle temporary failures

    • Using monitoring tools to detect and alert on failures

    • Implementing graceful degradation to provide partial functionality

    • Using backups or replicas to ensure high availability

  • Answered by AI
  • Q7. What kind of security added in your project and how?
  • Q8. What are the transactions used in your projects?
  • Q9. What are the spring boot annotations used in your project?
  • Ans. 

    We use @RestController, @RequestMapping, @Autowired, @Service, @Repository, @Transactional, @GetMapping, @PostMapping, @PutMapping, @DeleteMapping annotations in our Spring Boot project.

    • @RestController - used to define RESTful web services

    • @RequestMapping - used to map HTTP requests to handler methods

    • @Autowired - used for automatic dependency injection

    • @Service - used to define a service layer component

    • @Repository - used...

  • Answered by AI
  • Q10. What is the use of spring data jpa?
  • Ans. 

    Spring Data JPA simplifies the implementation of data access layer in Spring applications.

    • Provides a framework for easily creating repositories and queries

    • Reduces boilerplate code for data access layer

    • Supports pagination and sorting of data

    • Integrates with Spring's transaction management

    • Example: @Repository interface UserRepository extends JpaRepository {}

  • Answered by AI
  • Q11. What are the collection used in your project?
  • Q12. Can you tell me how hash map internally work?
  • Ans. 

    A hash map is a data structure that uses a hash function to map keys to values in constant time.

    • Hash map uses an array to store key-value pairs

    • The hash function is used to convert the key into an index of the array

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

    • Retrieving a value from a hash map involves computing the hash of the key and then looking up the corre...

  • Answered by AI
  • Q13. Differences between comparable and comparator?
  • Ans. 

    Comparable is an interface used for natural ordering while Comparator is an interface used for custom ordering.

    • Comparable is implemented by the class itself while Comparator is implemented by a separate class.

    • Comparable provides a single method compareTo() while Comparator provides a single method compare().

    • Comparable is used for sorting elements in a collection while Comparator is used for custom sorting.

    • Example: Stri...

  • Answered by AI
  • Q14. Tell me about concurrent Hash map?
  • Ans. 

    Concurrent Hash Map is a thread-safe implementation of a hash map.

    • It allows multiple threads to access and modify the map concurrently.

    • It uses a technique called lock striping to achieve high concurrency.

    • It is part of the java.util.concurrent package in Java.

    • Example: ConcurrentHashMap in Java.

  • Answered by AI

Skills evaluated in this interview

I applied via Company Website and was interviewed before Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Pumps, Motors & Aerators
  • Q2. Working principle of pumps and Aerators
  • Ans. 

    Pumps and aerators are used to move fluids and gases respectively.

    • Pumps work by creating a pressure difference to move fluids from one place to another.

    • Aerators introduce air into liquids to increase oxygen levels and promote biological processes.

    • Types of pumps include centrifugal, positive displacement, and jet pumps.

    • Types of aerators include surface aerators, diffused aerators, and mechanical aerators.

  • Answered by AI
  • Q3. Pump calculation

Interview Preparation Tips

Interview preparation tips for other job seekers - Need more dedication and avoid unnecessary talks while answering important questions

I was interviewed before Feb 2021.

Round 1 - HR 

(3 Questions)

  • Q1. Tell me about yourself.
  • Q2. Share details of your previous job.
  • Q3. What are your salary expectations?
Round 2 - Technical 

(2 Questions)

  • Q1. Quality site inspection
  • Q2. Materials Testing & Third party Inspection

Interview Preparation Tips

Interview preparation tips for other job seekers - What about cement Test,Soil Test

I applied via Naukri.com and was interviewed in Mar 2021. There were 5 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Network, STP, Wet well, Pumping Station related.
  • Q2. TECHNICAL STP & WET WELL RELATED

Interview Preparation Tips

Interview preparation tips for other job seekers - Deep knowledge about planning, schedule & Execution .

I applied via Referral and was interviewed in Mar 2021. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. About yourself
  • Q2. Previous experience
  • Q3. Rules and responsibilities
  • Q4. Questions related to your position

Interview Preparation Tips

Interview preparation tips for other job seekers - Good at communication skills and writing skills

I applied via Referral

Interview Questionnaire 

4 Questions

  • Q1. About yourself
  • Q2. Technical questions related to your position
  • Q3. Previous experience
  • Q4. Safety and core values

Interview Preparation Tips

Interview preparation tips for other job seekers - Be good at communication skills and presentation skills

Xylem Water Solutions Interview FAQs

How many rounds are there in Xylem Water Solutions QA Engineer interview?
Xylem Water Solutions interview process usually has 2 rounds. The most common rounds in the Xylem Water Solutions interview process are Technical and Behavioral.
What are the top questions asked in Xylem Water Solutions QA Engineer interview?

Some of the top questions asked at the Xylem Water Solutions QA Engineer interview -

  1. How you can validate the button present on the UI is actually blue in col...read more
  2. How you can print numbers from one to 1000 without using any l...read more
  3. How you can validate the data with any value is present in the table in selen...read more

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Xylem Water Solutions QA Engineer Interview Process

based on 1 interview

Interview experience

4
  
Good
View more

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