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20 Sep 2022

Frequently Asked Selenium Interview Questions and their Answers

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Skill-Lync

Selenium Interview Questions and Answers

 

The open-source programme Selenium is used to automate web browsers on various platforms and meet various testing needs.

Selenium is a set of technologies that may be used on several platforms to automate web browsers. It is an open-source, free application that supports many testing needs. It offers a domain-specific language to write tests in several well-known computer languages and facilitates test writing without requiring the learning of a scripting language. Most current web browsers can run the tests created with Selenium. Selenium has gained popularity in the field of automation testing.

Here are the most often cited Selenium interview questions and answers to help you prepare for your interview.

 

This article includes the frequently asked selenium java interview questions and their step-by-step solutions. It would be helpful if you aspire to become selenium testers or automation test engineers.

 

How to get ready for your upcoming interview in test automation?

 

Selenium Interview Questions for Experienced Individuals

 

 

  • What Do You Mean by Encapsulation?

 

Answer: The act of encapsulating involves combining data and code into a single entity. It is employed to keep a class's data secret from another class. When all variables are private and there is a public method in the class to retrieve the variable's values, encapsulation can be achieved.

 

 

  • Explain the Process of Reversing a String in Java Using StringBuilder

 

Answer: Reversing the characters in a string is possible using the built-in method reverse() of the StringBuilder or StringBuffer class. 

By using this technique, the characters are substituted in the opposite order. In Java, the static method with the necessary logic to reverse a string is called reverse.

 

The StringBuilder objects are rapid to execute, memory-efficient, and changeable. However, it also regards these objects as being thread-unsafe.

 

To obtain the desired result, the object invokes the built-in reverse() method.

 

This approach is recommended and frequently used in Java to reverse a string.

 

 

  • Tell us About the Defect Life Cycle 

 

Answer: A discrepancy during lifecycle is referred to as the "defect life cycle," also called the "bug life cycle." It varies from business to business and from project to project because it depends on the tools employed and is governed by the software testing methodology.

 

 

  • Can You Talk About The Program Algorithm Implemented To Determine Whether Two Given Strings Are Anagrams Or Not?

 

Answer: If two Strings have the same characters, they are said to be anagrams. However, the characters' placement within an example can vary.

At first, we must establish two strings.

Then should check the lengths of each. Strings are not anagrams if the lengths are not identical.

If lengths are found to be similar, lowercase the string's characters to make comparisons simpler.

In Java, there are built-in functions for sorting strings. If you are using a programming language that does not have this option, change them to a character array so you can sort them.

The array finally would finally get sorted out.

 

  • Mention the features of OpenCSV API in Java

Answer: A third-party API is OpenCSV API. This API offers standard libraries to read different CSV file versions. Better control over handling CSV files is also provided by the OpenCSV API. This library can also read TDF files, which are tab-delimited files.

 

Aspects of the Java OpenCSV API:

  • Any amount of values per line can be read.
  • Removes the comma from quoted items.
  • Capable of handling entries with numerous lines.

To read a CSV file, we employ the CSVReader class. 

A function Object() { [native code] } to parse a CSV file is offered by the class CSVReader.

 

  • Did you Participate in Setting Up the Test Environment for Selenium?

 

Answer: Yes, I was involved in setting up the Selenium environment for my current project. We decided on Java, Maven, and the Selenium WebDriver & TestNG Framework for my project.

I would like to share the subsequent steps with you:

  • Eclipse IDE was downloaded and extracted.
  • Java software was downloaded and installed.
  • Route setup for environment variables.
  • The Java language bindings (jar files) for Selenium WebDriver were downloaded & added to the Java Project in Eclipse.
  • TestNG Framework was downloaded & installed using the Eclipse IDE.
  • Installed the build management tool for Maven.

 

  • What Are The Benefits Put Forward By The Selenium Automation Framework?

 

Answer: Some key features of SAF include: 

  • It is built with open source tools, libraries, and frameworks to lower costs for users overall 
  • SAF increases resource and time flexibility
  • Avoids redundancy on test execution hence increases test coverage to enhance the quality and reliability of the end product
  • Due to our extensive involvement with the Selenium user group, enables quick upgrades and a reduced learning curve

 

  • What Has Been Added in Selenium 4?

 

Answer:

  • Relative Locators in Selenium 4, an improved Selenium IDE, an improved Selenium Grid, etc.
  • Enhanced documentation; assistance with the Chrome Debugging Protocol
  • Selenium 4's improved window/tab management
  • Desired Capabilities are being deprecated, and the Actions Class has undergone changes

 

  • Explain the Contrast Between PUT and PATCH

 

Answer: When a programmer uses the PUT method to alter a resource, the entire resource is updated. PATCH is a method of resource modification where the client transmits updated partial data without changing the complete data.

 

 

  • How do we Conduct Cross-browser Testing in our Project?

 

Answer: We can use Mozilla Firefox, IE, and Google Chrome browsers(Downloaded IE and Google Chrome Browser drivers). 

 

Conclusion 

Skill-Lync has developed a convenient learning system with round-the-clock guidance from industry experts to give you more knowledge on selenium automation interview questions. Go through our website to learn more about the value-added career services that you'll have access to after enrolling for the Selenium training and get information about selenium java interview questions. Through software testing, you can test your skills with real-life projects which can enhance your employability.


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Anup KumarH S


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