Silicon Stack Senior QA Engineer Interview Questions and Answers for Experienced

Simple Java questions on string and arrays

Framework level knowledge is checked

Q1. Salary negotiation
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Q1. String manipulation questions without using default methods like string buffer
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Q2. Selenium programs and Xpaths for dynamic tables
Ans. 
Selenium can be used to automate testing of dynamic tables by using Xpaths to locate elements.
• Identify unique attributes of table elements to create stable Xpaths

• Use functions like contains(), starts-with(), or ends-with() in Xpaths for dynamic content

• Consider using parent-child relationships in Xpaths for nested tables
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Q1. Handle objects in webtable
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To handle objects in a webtable, you can use methods like findElement, getText, getAttribute, etc.
• Use findElement method to locate the object in the webtable

• Use getText method to retrieve the text of the object

• Use getAttribute method to get specific attribute value of the object

• Iterate through rows and columns to handle multiple objects in the webtable
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Q2. Multiple window handles
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Multiple window handles allow a QA engineer to interact with multiple browser windows during testing.
• Window handles are unique identifiers assigned to each browser window opened by the application.

• QA engineers can switch between window handles to perform actions on different windows.

• Example: driver.getWindowHandles() in Selenium returns a set of window handles.

• Example: driver.switchTo().window(handle) is used to switch
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Q1. Java concepts and Selenium coding level and regarding projects
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Q1. Leetcode program
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General aps questions were asked

Q1. On topics you have mentioned on your resume
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Java - String reverse, finding 2nd largest number

Q1. What is difference between abstract class and interface?
Ans. 
Abstract class can have implementation while interface cannot. Classes can implement multiple interfaces but only one abstract class.
• Abstract class can have constructors while interface cannot.

• Abstract class can have non-abstract methods while interface cannot.

• Interfaces are used for full abstraction while abstract classes are used for partial abstraction.

• Example: Abstract class - Animal with method eat() and subclass ...read more
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