Capgemini Interview Questions

Careers: Click to Apply Profile : QA Engineer Location : Pune Date : 26th Jan 2021 Java: What is an abstract class? What is the difference between abstract and interface? Purpose of constructor in Java? Can abstract class have a constructor? Is it possible to create an object for the abstract class? What is the difference between collection and collections? What is set? What is the difference between Hast Set and Tree Set? What is the difference between Hashmap and Linked Hashmap? How do you initiate a thread? Do you know threads concepts? Programs: Write a Program for a string = “123AM256CD”, print 2 output strings one for all the numbers and one for strings. Provide 2 ways. Given an integer = 123, give me the possible combinations ? like 123,132,231,312. Selenium: How do you handle windows in selenium? The login should be done manually, from the home page u need to execute the scripts, how? TestNG: One @test is there, would like to give it a chance 3 times whenever it fails? GitHub: Set of commands to upload a new file in git which is created in your local? Committed 2 sides, you want the branch to be reverted to the previous one? how? Jenkins: Command to start Jenkins server? How will schedule the job be executed every 1 hour?