TecMaestro IT Solutions Automation Test Engineer Interview Questions and Answers

Q1. Difference between absolute and relative Xpath
Ans. 
Absolute Xpath starts from the root element, while relative Xpath starts from any node in the DOM structure.
• Absolute Xpath starts with a single forward slash (/) and starts selection from the root node.

• Relative Xpath starts with a double forward slash (//) and starts selection from the current node or any node in the DOM structure.

• Absolute Xpath is more brittle and prone to breaking if the structure of the page changes...read more
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Q2. What would be return if multiple tabs are open
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The return would be the number of tabs open in the browser.
• The return value would be an integer representing the count of open tabs.

• For example, if there are 5 tabs open, the return value would be 5.
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Q3. What are the waits in selenium
Ans. 
Types of waits in Selenium include Implicit Wait, Explicit Wait, and Fluent Wait.
• Implicit Wait: Waits for a certain amount of time before throwing a NoSuchElementException.

• Explicit Wait: Waits for a certain condition to occur before proceeding further in the code.

• Fluent Wait: Waits for a condition to be true with a defined polling frequency.

• Example: driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
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Q4. Exceptions in selenium
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Exceptions in Selenium are errors that occur during test execution, disrupting the flow of the test script.
• Exceptions are thrown when there is an unexpected behavior in the application under test or in the test script itself.

• Common exceptions in Selenium include NoSuchElementException, ElementNotVisibleException, TimeoutException, and StaleElementReferenceException.

• Handling exceptions in Selenium can be done using try-...read more
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Q5. What is feature and step definitions in cucumber BDD
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Feature files contain high-level description of the functionality to be tested, while step definitions are the implementation of the steps in the feature file using code.
• Feature files are written in Gherkin syntax and describe the behavior of the application in plain text.

• Step definitions are written in programming languages like Java, Ruby, etc., and map the steps in the feature file to automation code.

• Feature files a...read more
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Q6. How to input data in cucumber
Ans. 
Data can be input in Cucumber using feature files and step definitions.
• Data can be input in feature files using scenarios and scenario outlines

• Step definitions can be used to define the actions to be taken with the input data

• Data tables can be used in feature files to input structured data

• Examples keyword can be used in scenario outlines to provide multiple sets of input data
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Q7. Basic Java questions like access modifiers, method overloading and overriding
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Q8. What is Test case, Test plan and Test Secenarios
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Test case is a set of conditions or variables under which a tester will determine whether a system under test satisfies requirements. Test plan is a document outlining the scope, approach, resources, and schedule of testing activities. Test scenarios are detailed descriptions of possible interactions with the system.
• Test case: specific conditions to be tested, expected results, steps to execute

• Test plan: overall strate...read more
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Q9. Hooks in Java
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Hooks in Java are methods that allow subclasses to override or extend the behavior of a superclass.
• Hooks are commonly used in frameworks like JUnit and TestNG for test automation.

• They are often used for setup and teardown operations before and after test methods.

• Examples include @Before, @After, @BeforeClass, and @AfterClass annotations in JUnit.
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Q1. Appium architecture
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Q2. Java oops concepts n where did u apply that in automation framework
Ans. 
Java OOPs concepts are used in automation framework design for better code organization and reusability.
• Encapsulation: Used to hide the internal implementation details of classes and provide access through methods.

• Inheritance: Allows for code reuse by creating parent-child relationships between classes.

• Polymorphism: Enables methods to behave differently based on the object they are called on.

• Abstraction: Helps in defin...read more
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Q3. How to handle otp
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OTP can be handled by generating, sending, and verifying it in automated tests.
• Generate OTP using a random number generator

• Send OTP to the user via email, SMS, or any other communication channel

• Verify OTP entered by the user against the generated OTP
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Q4. How start appium in automation
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To start Appium in automation, you need to install Appium server, set up desired capabilities, and run the server.
• Install Appium server using npm install -g appium

• Set up desired capabilities in your test script

• Start the Appium server using the command appium
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Q5. What are the types of mobile apps
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Types of mobile apps include native apps, web apps, and hybrid apps.
• Native apps are developed for specific platforms like iOS or Android

• Web apps are accessed through a web browser and do not need to be downloaded from an app store

• Hybrid apps combine elements of both native and web apps

• Examples include Instagram (native), Twitter (web), and Uber (hybrid)
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Q6. Program to remove duplicate letters in a string
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Program to remove duplicate letters in a string
• Iterate through the string and keep track of seen characters in a set

• Append characters to a new string only if they are not already in the set

• Return the new string without duplicate letters
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Q7. How to perform swipe action in mobile devices
Ans. 
Swipe action in mobile devices can be performed using swipe() method in Appium or TouchAction class in Selenium.
• Use swipe() method in Appium to perform swipe action in mobile devices

• Alternatively, use TouchAction class in Selenium for swipe action

• Specify the start and end coordinates for the swipe action

• Adjust the duration and speed of the swipe as needed
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Q1. Write java program to print sum of digits from a given string eg: "abcd23"
Ans. 
Java program to print sum of digits from a given string
• Iterate through each character in the string

• Check if the character is a digit using Character.isDigit() method

• Convert the digit character to integer using Character.getNumericValue() method

• Sum up all the digits found in the string
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Q2. Explain oops concepts used in your framework with example?
Ans. 
OOPs concepts used in the framework include inheritance, polymorphism, encapsulation, and abstraction.
• Inheritance is used to create a parent-child relationship between classes. For example, a base class 'Page' can be inherited by 'HomePage' and 'LoginPage' classes.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass. For instance, a 'click' method can be implemented different...read more
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Q3. Explain polymorphism
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Polymorphism is the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example of compile-time polymorphism: function overloading in Java.

• Example of runtime polymorphism: method overriding in Java
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Q4. Java program to print the sum of elements in string array eg: String[] arr = {"1","2","3"}
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Java program to print the sum of elements in a string array.
• Convert each element in the string array to an integer using Integer.parseInt()

• Sum up all the integers to get the total sum
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Java related coding and questions related to selenium

Q1. Selenium,java,testng,cucumber related questions
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Q1. Framework Related Questions
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Q1. Scenario based on table steering
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Q2. Various concepts like buffering the values, errors found during your automation, TCP,SP,
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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. Write a program to reverse a number
Ans. 
Program to reverse a number
• Convert the number to a string to easily manipulate each digit

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

• Convert the reversed string back to an integer and return
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Q1. What are your expectations
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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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