Q1. There are 100 doors in a row, all doors are initially closed. A person walks through all doors multiple times and toggle (if open then close, if close then open) them in the following way: In the first walk, the person toggles every door In the second walk, the person toggles every second door, i.e., 2nd, 4th, 6th, 8th, … In the third walk, the person toggles every third door, i.e. 3rd, 6th, 9th, … Likewise, In the 100th walk, the person toggles the 100th door. 2.Write a program to count the number of characters, words, lines and paragraphs in a text file 3. Write a program to identify a particular text in web table and fetch the same 4.Waht is purpose of constructor 6.Concept of immutable 7.What is abstraction 8.What is polymorphism 9.Some questions related to appium 10.Some questions related to performance testing 11.Api testing was also their expectation 12.TestNG annotations and their order of execution 13.What all frameworks you have exp in. 15.One question from cucumber related to custom tags dont remember properly 16.Exceptions in Selenium 17. armstrong number in java program