we should record our long journey so that one day we can feel proud while looking back at it.

totalCount=6

array 1.largest element in an array
2.second largest element in an array without sorting
3.check if the array is sorted

string 1-palindrome check
2-Reverese number
3-KMP
4-first non repeating character of given string

stack 1-implement stack using Array
2-implement stack using LinkedList
3- 4- 5- 6-Balance parenthesis
7-Infix to postfix

queue 1-implement queue using queue