Infosys QA Test Engineer Interview Questions and Answers

Q1. Python related questions What is view ant it's type What is index what is it's type Fetch 3rd highest salary What's courses
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It was computer based aptitude test.

They took GD for 6 people at once by gaving a common topic to talk about with individual time constraints.

Q1. Asked few basic C programming questions.
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Q1. Asked regarding the resume and their company
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Q2. Where is the headquarters of NTT located
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NTT's headquarters is located in Tokyo, Japan.
• NTT's headquarters is in Tokyo, Japan

• NTT stands for Nippon Telegraph and Telephone Corporation

• Tokyo is the capital city of Japan
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Q1. Difference between absolute and relative Xpath
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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
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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
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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. Digital testing concepts
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Q2. What is RS232 & 422
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Q3. What RPS in power testing
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Q4. Digital communication
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Q5. Semiconductor basic information
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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?
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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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