Explain SOLID principles in java What is dependency Injection What is Liskov's substitution principle. Checked and unchecked expeceptions Difference between exception and error. How does a HashMap works. Explain hashtable. Is hashcode unique?? Difference between ArrayList & LinkedList.
Test Automation Frameworks how does jenkins work and what do you do on regular basis. Multiple questions on TestNG, Maven, Cucumber, Appium, POM frameworks. Explain Cucumber framework. how do you handle windows popups using selenium how do you handle browser popups in selenium how do you handle alerts in selenium Difference between assert and verify in selenium Difference between soft assert and hard asserts.
Multiple questions on SQL during the client interview. How do you connect to SQL database using java. how do you process resultsets in java. write syntax in java for how to execute a sql query. Write some queries for the problem they give you on the fly during the interview.
OOPS concepts, Inheritance implementation and IoC and DI
Promises
They asked basic questions about react, hooks, etc.
What steps have you taken to ensure the software application satisfies the business requirements? How do you keep the users involved and get early feedback through the development process?
Written technical questions on the topic. Heavy focus securing application, some SQL, ajax and c# ASP.NET MVC related question. Not difficult at all.
What are your skills and how comfortable (1 to 10) I feel with each of them.
How does process scheduling work? How does the OS know that it's time to run the scheduler? What is a deadlock? When does a deadlock occur? What is priority inversion? What is a possible way of solving the problem of priority inversion?
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