1) throws vs throw 2) Hashmap vs Hashtable 3) StaleElementException ? 4) Asked me to write code for dropdown | drag, and drop | mouse hover 5) Absolute vs Relative Xpath >> asked examples for XPath -> parent to child 6) How to find a text on the whole page? //*[contains(*, 'text')] 7) How to create a job in Jenkins? 8) How to handle iframe? How to switch to parent or main frame? 9) Tell me the methods of Select class 10) Assert vs verify 11) What is Maven? 12) How many different report types you can get from TestNG? 13) What are the components of Selenium? 14) quit() vs close() 15) How to enter a text in Selenium? 16) Delete vs truncate (SQL) 17) Foreign key 18) Status codes (400-401-403-404) 19) method overloading vs overriding 20) ArrayList vs LinkedList 21) What is Constructor?