Ernst & Young Qa Automation Testing Engineer Interview Questions and Answers

Program to find character occurances in 'Hello World'

• Create a map to store character occurrences

• Iterate through each character in the string and update the map

• Print the character occurrences from the map

Multithreading is the ability of a CPU to execute multiple threads concurrently, allowing for better performance and resource utilization.

• Multithreading allows multiple threads to run concurrently within the same process.

• Each thread has its own stack and shares the same memory space.

• Multithreading can improve performance by utilizing multiple CPU cores efficiently.

• Examples of multithreading include running multiple tas...read more

TestNG annotations are used to control the flow of test methods and provide additional information about the test.

• Annotations like @Test, @BeforeSuite, @AfterSuite are used to define test methods and setup/teardown methods

• Annotations like @BeforeTest, @AfterTest are used to run setup/teardown methods before/after a test

• Annotations like @BeforeClass, @AfterClass are used to run setup/teardown methods before/after a test...read more

Defect life cycle is the process of identifying, reporting, fixing, retesting, and closing defects in software development.

• Defect identification: Defects are identified through testing or user feedback.

• Defect reporting: Defects are reported in a defect tracking tool with details like steps to reproduce, severity, and priority.

• Defect fixing: Developers fix the reported defects based on the information provided.

• Defect re...read more

Black box testing focuses on functionality without knowledge of internal code, while white box testing examines internal code structure.

• Black box testing tests the functionality of a system without knowledge of its internal code

• White box testing tests the internal code structure and logic of a system

• Black box testing is more focused on end-user perspective

• White box testing is more focused on developer perspective

• Exampl...read more

Hard assert stops the execution of the test case if it fails, while soft assert continues the execution and logs the failure.

• Hard assert is used when the failure of a particular step makes the further steps irrelevant.

• Soft assert is used when you want to continue with the test case execution even if some steps fail.

• Hard assert is implemented using 'assert' keyword in testing frameworks like TestNG or JUnit.

• Soft assert ...read more

Annotations in Selenium WebDriver are used to provide additional information about the test methods.

• Annotations help in organizing and managing test cases

• Some common annotations in Selenium WebDriver are @Test, @BeforeTest, @AfterTest, @BeforeClass, @AfterClass, @BeforeMethod, @AfterMethod

• Annotations are used to define the sequence of execution of test methods

Use XPath to count the number of links with the text 'selenium'

• Use XPath to locate all the links containing the text 'selenium'

• Count the number of links found using the XPath expression

Use SQL query to display 60 pass and 40 fail from a table of students.

• Use SELECT statement with COUNT function to count the number of pass and fail statuses.

• Use WHERE clause to filter out pass and fail statuses.

• Use GROUP BY clause to group the statuses together.

• Use CASE statement to display the count of pass and fail statuses.

findElements returns a list of web elements matching the locator, while findElement returns the first web element matching the locator.

• findElements returns a list of web elements, findElement returns the first element

• findElements returns an empty list if no elements are found, findElement throws NoSuchElementException

• findElements is useful for finding multiple elements, findElement is useful for finding a single elemen

The code takes a name as input, prints each letter, and checks if any vowels repeat in the name.

• Create a function that takes a string input for the name

• Iterate through each letter in the name and print them individually

• Check for vowel repetition by keeping track of vowels encountered

Fluent wait is a dynamic wait mechanism in Selenium WebDriver that waits for a condition to be true before proceeding.

• Fluent wait is used to handle dynamic web elements that may load at different times.

• It can define the maximum amount of time to wait for a condition, as well as the frequency of checking.

• Example: WebDriverWait wait = new WebDriverWait(driver, 10); wait.until(ExpectedConditions.visibilityOfElementLocated

I am an Automation Engineer with experience in designing and implementing automated test scripts for web applications.

• Designed and implemented automated test scripts using Selenium WebDriver for regression testing

• Collaborated with developers to integrate automated tests into continuous integration pipeline

• Performed manual testing to identify bugs and validate automated test results

Java code to print sum of 100 numbers

• Create an array of 100 numbers

• Use a loop to iterate through the array and calculate the sum

• Print the sum at the end

My name is John Doe. There are 1 'o' in my name.

• Count the occurrences of the specified character in the name

• Iterate through each character in the name and compare with the specified character

• Increment a counter each time the specified character is found

To move to another tab in Selenium, switch to the desired tab using window handles.

• Use getWindowHandles() to get all window handles

• Switch to the desired tab using switchTo().window(handle)

Automate a test case for Makemytrip website

• Use Selenium WebDriver to automate the test case

• Identify the test scenario, such as searching for a flight

• Write test scripts in a programming language like Java or Python

• Use test data to validate the functionality of the website

• Implement assertions to verify expected outcomes