Tech Mahindra Tester Interview Questions and Answers

Write java programs for reverse a string

Q1. Write java program to reverse a String
Ans. 
Java program to reverse a String
• Create a char array from the input String

• Use two pointers to swap characters from start and end of the array

• Convert the char array back to a String and return
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Q2. Write a java program to find all links
Ans. 
Java program to find all links in a given text
• Use regular expressions to match URLs in the text

• Iterate through the text and extract all URLs

• Store the URLs in an array of strings
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Q1. Selenium framework
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Q2. Limitations of selenium
Ans. 
Selenium has limitations such as browser support, handling dynamic elements, and lack of built-in reporting.
• Limited browser support compared to other automation tools

• Difficulty in handling dynamic elements on web pages

• Lack of built-in reporting capabilities, requiring integration with other tools

• Slower execution speed compared to other automation tools

• Challenges in testing mobile applications
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Basic Java programs like string manipulation

There are multiple concepts of questions in aptitude test. They cover all types of concepts in that exam.

There are 3 coding questions. First is easy, second is medium. Third is hard and difficult to attempt.

Q1. About company, my self intro, some c language questions and java related also
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Q1. WHAT IS SELENIUM
Ans. 
Selenium is a popular open-source automation testing tool used for web applications.
• Selenium is used for automating web browsers.

• It supports multiple programming languages like Java, Python, C#, etc.

• Selenium WebDriver is the most popular component used for writing test scripts.

• Selenium Grid is used for parallel testing across different browsers and environments.
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Q2. WHAT IS TESTING
Ans. 
Testing is the process of evaluating a system or application to identify defects or errors.
• Testing involves executing a system or application to find bugs or issues.

• It ensures that the software meets the specified requirements and works as expected.

• Types of testing include functional testing, performance testing, and security testing.

• Examples of testing tools include Selenium, JUnit, and LoadRunner.
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Q1. What is Automation testing
Ans. 
Automation testing is the use of software to execute test cases and compare actual outcomes with expected outcomes.
• Automation testing saves time and effort by automating repetitive tasks.

• It increases test coverage and accuracy.

• Tools like Selenium, Appium, and JUnit are commonly used for automation testing.
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Q1. Xpath details which is better
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Q2. Framework to be described
Ans. 
A framework is a set of guidelines, libraries, and tools used to develop and test software applications.
• Frameworks provide a structure for organizing code and implementing common functionalities.

• Examples include Selenium for automated testing, JUnit for unit testing, and TestNG for test management.

• Frameworks help improve efficiency, maintainability, and scalability of testing processes.
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Q3. Program to reverse a no
Ans. 
A program to reverse a number input by the user.
• Take input from user

• Convert the number to a string

• Reverse the string

• Convert the reversed string back to a number

• Output the reversed number
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