Swiggy Sdet Automation Test Engineer Interview Questions and Answers

One question for coding .

Q1. Interview questions
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Q2. What is sdet ?
Ans. 
SDET stands for Software Development Engineer in Test. They are responsible for writing code to automate testing processes.
• SDET is a software engineer who specializes in writing code to automate testing processes

• They work closely with developers to ensure software quality

• SDET roles often involve creating and maintaining test frameworks and tools

• Examples of SDET tools include Selenium, JUnit, and TestNG
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Q1. Locators used in automation
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Locators are used in automation testing to identify and interact with web elements on a webpage.
• Locators are used to find elements on a webpage based on their attributes such as ID, class, name, etc.

• Common locators include ID, class name, name, tag name, link text, partial link text, and XPath.

• Using unique locators helps in creating stable and reliable automation scripts.

• Examples: driver.findElement(By.id("elementId"))...read more
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Q2. Test cases for lift
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Test cases for lift functionality
• Test the lift buttons for each floor

• Test the emergency stop button

• Test the door open and close functionality

• Test the capacity limit of the lift

• Test the response time of the lift to call buttons
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Q3. Core concepts of java
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Q4. String, String buffer, String Reader
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Q5. Final, finally, finalize
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Q6. Coding question on String and array
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Q7. Actions class in selenium
Ans. 
Actions class in Selenium is used to perform complex user interactions like drag and drop, double click, etc.
• Actions class is part of the Selenium WebDriver API

• It is used to perform advanced user interactions like drag and drop, double click, etc.

• Actions class is used with the Actions class object to build and perform complex interactions

• Example: Actions actions = new Actions(driver); actions.dragAndDrop(source, target
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Q8. Basic commands in selenium
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Basic commands in Selenium include findElement, sendKeys, click, getText, and getTitle.
• findElement - locates a single element on the web page

• sendKeys - enters text into an input field

• click - simulates a mouse click on an element

• getText - retrieves the text of an element

• getTitle - retrieves the title of the web page
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Q9. Testng annotations and xml file
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Q1. Puzzles of different kinds
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Q2. Test cases of login/signup
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Test cases for login/signup functionality
• Verify valid credentials can successfully login

• Verify invalid credentials cannot login

• Verify user can sign up with valid information

• Verify user cannot sign up with existing email

• Verify password strength requirements during sign up
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Q3. Reason for for job change
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Seeking new challenges and growth opportunities in a dynamic environment.
• Looking for opportunities to expand my skill set

• Interested in working on cutting-edge technologies

• Seeking a more collaborative team environment
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Q4. Xpath creation and basic code
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Q5. Basic java and selenium
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Q1. Behaviour questions and salary negotiation
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Q2. Reason for change
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The reason for change can be due to technological advancements, business needs, customer feedback, or process improvements.
• Technological advancements: Updating software tools or frameworks to improve efficiency.

• Business needs: Adapting to new market trends or regulations.

• Customer feedback: Making changes based on user experience or satisfaction.

• Process improvements: Streamlining workflows for better productivity.
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Q1. DSA and coding questions
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Basic aptitude questions

DSA mid level, programming questions like password checking function, pattern question.

Q1. What is OOPS? What is multi threading?
Ans. 
OOPS stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects, which can contain data and code. Multi-threading is the ability of a CPU to execute multiple threads concurrently.
• OOPS is a programming paradigm that uses objects to design applications.

• It allows for encapsulation, inheritance, and polymorphism.

• Example: Inheritance allows a class to inherit properties and methods ...read more
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Q1. How do you describe your personality?
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I am a detail-oriented, analytical, and adaptable individual with a strong work ethic.
• Detail-oriented - I pay close attention to small details to ensure accuracy in my work.

• Analytical - I enjoy problem-solving and analyzing data to find solutions.

• Adaptable - I am able to quickly adjust to new situations and challenges.

• Strong work ethic - I am dedicated and committed to producing high-quality results.
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Round duration - 60 minutes
Round difficulty - Easy

Two coding questions were given in the first round to be solved in 60 minutes.

Q1. 
Rearrange Array Elements Problem Statement
Given an array A containing 'N' integers and an integer m, rearrange the elements of the array such that the differences between the array elements and m are sor...read more
Ans. 
Rearrange array elements based on their differences from a given integer.
• Calculate the differences between each element and the given integer.

• Sort the elements based on their differences while maintaining the original order for elements with the same difference.

• Implement a function to rearrange the array elements as per the given criteria.
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Q2. 
Print Nodes at Distance K from a Given Node
Given an arbitrary binary tree, a node of the tree, and an integer 'K', find all nodes that are at a distance K from the specified node, and return a list of th...read more
Ans. 
The task is to find all nodes in a binary tree that are at a distance K from a given node.
• Traverse the binary tree to find the given node

• From the given node, perform a depth-first search to find all nodes at distance K

• Use a list to store the values of the nodes at distance K

• Return the list of values in any order
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Round duration - 60 minutes
Round difficulty - Easy

This was a technical round with questions based on DSA, DBMS, Computer Networking and project based questions.

Q1. 
Triangle of Numbers Pattern
Ninja is tasked with printing a triangle pattern based on a given number 'N' for any test case.
Example:
Input:
N = 4
Output:
   1
  232
 34545
4567654
Explanation:
The pat...read more
Ans. 
Print a triangle pattern of numbers based on a given number 'N'.
• Iterate through each row and print the numbers accordingly

• Use spaces to center-align the numbers in each row

• Increment the numbers in each row as per the pattern
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Q2. What is the difference between a web server and an application server?
Ans. 
Web server serves static content over HTTP, while application server runs dynamic content and business logic.
• Web server handles HTTP requests and responses, serving static content like HTML, images, and CSS.

• Application server executes business logic, runs dynamic content, and interacts with databases.

• Web server examples include Apache, Nginx, while application server examples include Tomcat, JBoss.

• Web server focuses on...read more
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Q3. How does the internet work?
Ans. 
The internet is a global network of interconnected computers that communicate using standardized protocols.
• The internet is made up of a vast number of interconnected networks of computers.

• Data is transmitted over the internet using protocols such as TCP/IP.

• Websites are hosted on servers connected to the internet, and users access them using web browsers.

• Internet Service Providers (ISPs) provide access to the internet f...read more
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Q4. Write a SQL query to find the nth highest salary.
Ans. 
SQL query to find the nth highest salary
• Use the 'SELECT DISTINCT' statement to get unique salary values

• Order the salaries in descending order using 'ORDER BY' clause

• Use 'LIMIT' and 'OFFSET' to get the nth highest salary
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Round duration - 30 minutes
Round difficulty - Easy

Typical HR round with behavioral problems.