The programs that i encountered: 1.Get the average marks from user and if avg>=80&&avg>=100 print grade A. avg>=60&&avg<=79 print grade B,else grade C. 2.write a program for the series 1,2,2,4,8,32. 3.write a function that accepts int array as parameter and print the sorted array. 4.draw a flow chart for the question 1. 5.write a function that accept string as a parameter and prints the number of vowels . 6.write an abstract class and performs the string length and reverse string operation. 7.write a class program with default and parameterized constructor and perform constructor overloading operation. 8.write a program for string validation. • Should not start with ‘.’ And should end with ‘.’ • The string must contain at least 3 spaces. • Size of the string not more than 20. 9.write a program for email validation • There is only one @ symbol • ‘.’ should come after the @ symbol • Should not start with ‘.’