Selenium Java Interview Questions For 5 Years Experience
Selenium Java Advanced Interview Questions for 5 Years of Experience
Selenium Java Interview Questions For 5 Years Experience
As a candidate with 5 years of experience in Selenium Java, you can expect to be asked about your technical skills and knowledge of automation testing tools, Java programming language, and Selenium framework. Employers may also inquire about your experience in developing automated test scripts, handling various types of web elements, handling browser operations, and troubleshooting potential issues. Additionally, you may be asked behavioral questions to assess your communication, collaboration, and problem-solving abilities. Employers may also inquire about your experience in Agile methodology, continuous integration, and test management tools. Therefore, it is important to be well-prepared and showcase your experience, technical knowledge, and critical thinking skills during the interview.
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1 - What is Selenium and why is it used?
Selenium is a popular open source automated testing tool used for web applications. It is used for automating web browser interactions and simulating user behavior on websites. Selenium is mainly used for regression testing, which involves testing the functionality of a website after any changes have been made. It is also used for cross browser testing to ensure the website works on different browsers.
2) What are the components of Selenium?
Selenium consists of four main components Selenium IDE, Selenium RC, WebDriver, and Selenium Grid. Selenium IDE (Integrated Development Environment) is a record and playback tool used for creating test cases. Selenium RC (Remote Control) is used for executing test scripts on different browsers and platforms. WebDriver is a powerful tool for automating web browser interactions. Selenium Grid is used for parallel testing, where multiple tests can be executed simultaneously on different machines.
3) What programming language is used in Selenium?
Selenium supports multiple programming languages such as Java, C#, Python, Ruby, and JavaScript. However, Java is the most commonly used language for Selenium automation due to its object oriented approach, robust libraries, and wide community support.
4) What is the difference between Selenium and QTP?
Selenium is an open source tool, while QTP is a commercial tool. Selenium supports multiple browsers and platforms, while QTP can only automate web applications on Internet Explorer. Selenium requires programming skills, while QTP has a record and playback feature for creating test scripts.
5) How do you handle multiple windows in Selenium?
Selenium provides the getWindowHandles() method to retrieve a list of window handles. You can switch between different windows using the switchTo().window() method by passing the window handle as a parameter.
6) What are the different types of waits in Selenium?
Selenium has three types of wait implicit, explicit, and fluent. Implicit wait sets a default time for the driver to wait for an element to be available before throwing an exception. Explicit wait is used to wait for a specific condition to be met before proceeding further. Fluent wait is a dynamic wait that polls the DOM for a particular condition and determines when to return the control to the script.
7) How do you handle dynamic elements in Selenium?
Dynamic elements are elements that have changing attributes or values. To handle such elements, we can use XPath or CSS selectors that can locate elements based on their properties even if they change dynamically.
8) How do you handle alerts in Selenium?
Selenium provides the switchTo().alert() method to handle alerts. You can use the accept() method to click on the “OK” button or dismiss() method to click on the “Cancel” button.
9) How do you handle a dropdown list in Selenium?
In Selenium, we can handle a dropdown list using the Select class from the org.openqa.selenium.support.ui package. We can select an option by value, index, or visible text using the Select class's methods selectByValue(), selectByIndex(), and selectByVisibleText().
10) How do you handle frames in Selenium?
Selenium provides the switchTo().frame() method to switch to a particular frame on a web page. We can switch to a frame using its name, ID, or index. Once we are done with the actions on the frame, we can switch back to the main HTML document using switchTo().defaultContent() method.
11) What is data driven testing, and how can it be implemented in Selenium?
Data driven testing is a technique where test data is separated from the test script, allowing us to test different input values without changing the testing code. In Selenium, data driven testing can be implemented using DataProvider in TestNG or using external data sources such as Excel or CSV files.
12) How do you handle cookies in Selenium?
To handle cookies in Selenium, we can use the addCookie() and getCookieNamed() methods from the org.openqa.selenium.Cookie class. We can add a new cookie by passing the cookie name, value, and domain using the addCookie() method, and we can retrieve a particular cookie's value using getCookieNamed() method.
13) Can you perform scrolling actions in Selenium?
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Yes, we can perform scrolling actions in Selenium using the JavaScriptExecutor interface or the Actions class. The JavaScriptExecutor interface provides the executeScript() method to execute JavaScript code to scroll to a specific element or scroll by a particular pixel value. The Actions class provides the moveToElement() method to move the mouse position to a specific element, which in turn triggers the scroll action.
14) What are the different types of locators in Selenium?
Selenium supports multiple types of locators to find elements on a web page, such as ID, name, CSS, XPath, link text, partial link text, tag name, and class name. Each locator has its advantages and disadvantages, and the choice of locator depends on the specific scenario.
15) How do you handle synchronization issues in Selenium?
Synchronization issues occur when the automation script tries to interact with an element that is not yet available on the web page. This can be handled using fluent waits, explicit waits, and implicit waits. We can also use thread.sleep() to pause the execution for a specific time.
16) How do you handle exception handling in Selenium?
Exception handling is important in Selenium to handle any unexpected errors that occur during test execution. We can use try catch blocks to catch exceptions and handle them accordingly. We can also use the WebDriverEventListener interface to handle exceptions in Selenium.
17) Can we execute JavaScript code using Selenium?
Yes, we can execute JavaScript code using the JavaScriptExecutor interface in Selenium. This can be useful in scenarios where the web page does not have specific methods to interact with elements, or we need to perform certain actions that are not available in Selenium.
18) How can we generate reports in Selenium?
In Selenium, we can generate reports using TestNG, a popular test automation framework. TestNG provides an inbuilt reporting feature that generates HTML or XML reports with information on the number of tests run, passed, and failed.
19) How do you debug test scripts in Selenium?
We can debug test scripts in Selenium using breakpoints, which help us pause the execution at a particular line of code and inspect the values of variables. We can also use step over and step into options in the debugging tool to execute the code line by line.
20) What are the challenges of Selenium?
Some of the challenges of Selenium include its limited support for desktop applications, difficulty in automating certain UI elements such as drag and drop, and the need for programming skills to create test scripts. It also requires a stable and reliable internet connection for cloud testing.
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Selenium Interview Questions For 5 Years Experience
