first Introuduce my self and then second question is do you know about Java Security, how we handle security aspects in java, there were two coding round. 1. print the staudent data , where they have access of multiple courses ex, Rohan has 2 course access, Sohan has 1 access, Rahul has 3 , like that and we have to print that all. 2. write a sql query and fine the 3rd max salary in employee table, without using LIMIT and TOP