KOKO Networks Software Qa Automation Engineer Interview Questions and Answers

Q1. Difference between @BeforeMethod vs @BeforeTest
Ans. 
The @BeforeMethod annotation is used to run a method before each test method in a class, while @BeforeTest is used to run a method before any test method in a test tag.
• The @BeforeMethod annotation is specific to TestNG framework and is used to initialize test data before each test method.

• @BeforeTest annotation is also specific to TestNG and is used to initialize test data before any test method in a test tag.

• If a class...read more
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Q2. Difference between get vs navigate.to
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Q3. How you extract data from excel file and which jar file is used
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Q4. Methods of select class
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Q5. Explicit wait conditions
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Q1. What framework you are using in your project?
Ans. 
We are using the Selenium framework for automation testing in our project.
• Selenium is a popular open-source automation testing framework

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

• Selenium WebDriver is used for automating web applications

• It provides features for browser automation, testing across different browsers, and parallel test execution
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Q2. Explain about the framework structure
Ans. 
Framework structure refers to the organization and layout of the automation framework components.
• Framework structure includes modules, libraries, test scripts, configuration files, and test data.

• It follows a hierarchical structure with layers such as driver scripts, reusable libraries, and test cases.

• Frameworks can be structured as linear, modular, data-driven, keyword-driven, or hybrid.

• Example: In a data-driven framew...read more
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Q3. Difference between findelement and findelements
Ans. 
findelement returns the first matching element on a webpage, 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"))
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Q4. How to handle multiple tabs in selenium
Ans. 
Handling multiple tabs in Selenium involves switching between tabs and performing actions on each tab.
• Use getWindowHandles() to get a set of window handles

• Switch to a specific tab using switchTo().window(handle)

• Perform actions on the tab

• Close the tab if needed using driver.close()
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Q5. Explain about hashmaps
Ans. 
Hashmaps are data structures that store key-value pairs and allow for efficient retrieval of values based on keys.
• Hashmaps are also known as dictionaries, maps, or associative arrays.

• They use a hash function to map keys to indices in an underlying array.

• Hashmaps offer constant-time average case complexity for insertion, deletion, and lookup operations.

• Example: HashMap map = new HashMap<>(); map.put("ke
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Q6. Why we use try and catch
Ans. 
Try and catch blocks are used in programming to handle exceptions and prevent the program from crashing.
• Try block is used to enclose the code that might throw an exception

• Catch block is used to handle the exception thrown in the try block

• It prevents the program from crashing and allows for graceful error handling

• Can also include finally block to execute code regardless of whether an exception is thrown
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Q7. What is inheritance
Ans. 
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Derived class can access the properties and methods of the base class

• Example: Class 'Car' can inherit from class 'Vehicle'
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Q1. Basics of Selenium(Windowhandles,Screenshot,Actions class,Selector Class,) with syntax
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Q2. Asked to write Automation Framework architecture
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Q3. What are the different gherkin words
Ans. 
Gherkin words are keywords used in Gherkin syntax for writing test scenarios in Behavior Driven Development (BDD).
• Feature

• Scenario

• Given

• When

• Then

• And

• But
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Q4. What we will use in plugin
Ans. 
Plugins are used to extend the functionality of a software application.
• Plugins are additional software components that can be added to an existing application to provide new features or functionalities.

• They can be used to customize the behavior of the application without modifying its core code.

• Examples of plugins include browser extensions, WordPress plugins, and Adobe Photoshop filters.
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Q5. How to run runner class
Ans. 
To run a runner class, you can use a test runner tool like JUnit or TestNG in your automation testing framework.
• Use a test runner tool like JUnit or TestNG to execute the runner class

• Add the @RunWith annotation in JUnit or specify the runner class in TestNG XML file

• Make sure the runner class includes the necessary setup and teardown methods for test execution
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Q6. Java oops, strings , exception handling
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Q7. How to run parallel mode in testng,groups,priority
Ans. 
TestNG allows running tests in parallel mode using groups and priorities.
• Use 'parallel' attribute in testng.xml file to specify parallel mode (e.g. )

• Use 'groups' attribute in testng.xml file to group tests that should run in parallel (e.g. )

• Use 'priority' attribute in testng.xml file to specify the order in which tests should run (e.g.
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Q8. Write Merge Sort Programme
Ans. 
Merge Sort is a divide and conquer algorithm that divides the input array into two halves, sorts them, and then merges them back together.
• Divide the array into two halves recursively

• Sort each half using Merge Sort recursively

• Merge the sorted halves back together
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Q9. Write Reverse a string programme
Ans. 
Program to reverse a string using array of characters
• Create an array of characters from the input string

• Iterate through the array in reverse order and append each character to a new string

• Return the reversed string
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Q10. Write syntax of data driven testing (XSSF Workbook) Syntax
Ans. 
Data driven testing syntax using XSSF Workbook
• Create XSSFWorkbook object

• Get the sheet from the workbook

• Iterate through rows and columns to fetch test data

• Use test data in your test cases
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Q1. Selenium basics ( window handles , screenshot,reports, file upload and download, Add extension, Headless mode)
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Q1. List, lambda function, reverse string program
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Q2. Sort the list, dictionary
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Q1. OOP concept, Decorator, list to dictionary, Linux
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Q1. Tell me your Self introduce
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Q2. Tell me project structure
Ans. 
Project structure refers to the organization of files, folders, and resources within a software project.
• Main folders like src (source code), test (test cases), lib (libraries), docs (documentation)

• Subfolders for specific modules or components

• Configuration files like pom.xml, package.json, etc.

• Build scripts like Jenkinsfile, Dockerfile

• Version control files like .gitignore, .gitattributes

• README.md file for project overvi
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Q1. Java oops concepts, selenium coding
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Q1. Selenium test script, Rest assured questions
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Questions on basic java, manual testing, coding best practices, automation testing

Q1. Explain project & framework, selenium question, java ques
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Q2. Automate a login page and explain it? Synchronisation handling and exception handling
Ans. 
Automate a login page using Selenium WebDriver in Java with synchronization and exception handling.
• Use Selenium WebDriver to locate the username and password fields, enter valid credentials, and click the login button.

• Implement explicit and implicit waits for synchronization to handle dynamic elements and page loading.

• Use try-catch blocks for exception handling to capture and handle any errors during the login process.

• ...read more
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Q1. Wap for reverse string in java
Ans. 
Reverse a string in Java using StringBuilder's reverse method.
• Create a StringBuilder object with the input string

• Use the reverse() method of StringBuilder to reverse the string

• Convert the reversed StringBuilder object back to a string using toString()
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Q2. What is interface
Ans. 
An interface in software development is a contract that defines the methods that a class must implement.
• Interfaces in programming languages like Java, C#, and TypeScript provide a way to achieve abstraction and multiple inheritance.

• Classes implementing an interface must provide concrete implementations for all the methods defined in the interface.

• Interfaces allow for loose coupling between components, making code more
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