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QA Automation Interview questions

QA Automation Interview questions

  1. Differentiate final , finally, finalize (Short Ans: final method can’t be overridden, final variable can’t be changed, finally goes with try/catch, finalize is garbage collector)
  2. how to handle exceptions in java (Ans: try catch, throws, etc)
  3. how to use parameters in cucumber/testNG (Ans: scenario outline,tidy gherkin plugin, vs testng.xml-suite,test,class,method;)
  4. compare TestNG and Cucumber BDD (Ans: testng.xml, POM,vs feature file,Junit testrunner,stepDefention, POM)
  5. how to validate flatfiles , db using Java (Ans: input filestream, driver class connection, server name, instance , authentication, sql statement)
  6. how to skip method/test in TestNG, Cucumber BDD (Ans: testng.xml, annotation, cucumber tags on testrunner)
  7. differentiate encapsulation , abstraction
  8. what are interface and explain the methods – webdriver interface, driver object reference, FF/IEdriver class (Since interface can not be instantiated)
  9. write programs – sort array, print number in reverse, print string reverse, etc
  10. how does SSL works , public key-private key, session encryption etc
  11. method overridden vs method overloading (super class methods are overridden by child class when both has same methods, overload – one class has multiple methods with same method name but different parameters)
  12. Selenium automation challenges (ajax – webdriver wait methods, frames switch, alert.accept, multiple windows handlers, pdf in webpage, alert vs modal confuse, dynamic id,name-use xpath contains, etc)
  13. handle dropdown – select class
  14. feature file extension
  15. bufferbuilder usage
  16. what is background, scenarios outline, before/afterhooks vs tags, 
  17. usage of autoit, robotclass, javascript executor, 
  18. Jenkins schedule batch, report generation, 
  19. grid setup, hub and node, run on dos prompt, or use JSON file to configure nodes and run JSON on commandline..then connect in Jenkins 
  20. how to manage Git versions between two teams
  21. What is data structure and use of it test automation