tell me about yourself what are the main concepts of oops Difference between Abstraction and encapsulation Difference between interface and polymorphism what are the few keywords in c# what is difference between const and readonly what are the access specifiers in c# what are filters and type of filters in asp.net mvc. .net framework vs .net core? array vs arraylist? string vs stringbuilder? how is exception handling done in mvc application? how do you debug in client side when your mvc application is down? what is the filename where database is configured? what are the types of json files in .net core application? what is bundling and minification? how are the return types of action method? what is stored procedure? what is join and types of join? what is inner join? what is left join and right join?