String Operations in C++

Problem Statement:-

Write C++ program with class for String. Write a function
· Copy, Concatenate, check substring, Equal, Reverse and Length.
· Frequency that determines the frequency of occurrence of particular
character in the string.
· Delete that accepts two integers, start and length. The function computes
a new string that is equivalent to the original string, except that length
characters being at start have been removed.
· Chardelete that accepts a character c. The function returns the string with
all occurrences of c removed.
· Replace to make an in-place replacement of a substring w of a string by
the string x. note that w may not be of same size of x
· Palindrome to check whether given string is palindrome or not

Code:-

Output:-