Question 1 Create a class String which stores a string value. Overload ++ operator which converts the characters of the string to uppercase (toupper() library function of "ctype.h" can be used)

Question 2 What is a virtual function? Explain it with an example

Question 3 Explain different access specifiers in a class

Question 4 Define a STUDENT class with USN, Name, and Marks in 3 tests of subject. Declare an array of 10 STUDENT objects. Using appropriate functions, find the average of two better marks for each student. Print the USN, Name and the average marks of all the student

Question 5 Write a C++ program to create a template function for quick sort and demonstrate sorting of integers