IBM Junior Software Test Engineer Interview Questions and Answers for Experienced

Q1. Find x path and script for screenshot
Ans. 
To find x path and script for screenshot, use browser developer tools and Selenium WebDriver.
• Use browser developer tools to inspect elements and find x path

• Use Selenium WebDriver to capture screenshot

• Example x path: //input[@id='username']

• Example script for screenshot: driver.manage().window().maximize(); File screenshotFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE); FileUtils.copyFile(screenshotFile
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Q2. Write reverse string programme
Ans. 
A program to reverse a given string
• Create a character array to store the reversed string

• Iterate through the original string from end to start and copy each character to the new array

• Terminate the new array with a null character to indicate end of string
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1st round is aptitude test all questions are related to domain knowledge & related to testing

One round of aptitude test

2 simple coding questions based java

Q1. Technical rounds with interview panel Java based questions
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Q1. Ask about test cases, scenarios in different types
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Q1. Where do we use BigInteger in java ?
Ans. 
BigInteger is used for mathematical operations involving very large integers in Java.
• BigInteger is used when the range of values supported by primitive data types like int and long is not sufficient.

• It is commonly used in cryptography and security applications.

• It provides methods for arithmetic, bitwise, and logical operations on large integers.

• Example: calculating factorial of a large number, generating large prime nu
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Q2. Merge Sort Algo code in java
Ans. 
Merge Sort Algo code in java
• Divide the array into two halves

• Recursively sort the two halves

• Merge the sorted halves

• Time complexity: O(n log n)
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