Easy$-$Level Exercises

StringBuilder Basics:

Task: Write a program that uses StringBuilder to construct a simple string sentence by appending various words. Start with an empty StringBuilder, then append at least five different words or phrases to it$,$ separated by spaces.

Reversing a String:

Task: Create a method that takes a string as input and returns its reverse using StringBuilder. Use the Append method to build the reversed string.

Remove Duplicate Characters:

Task: Write a method that removes duplicate characters from a string using StringBuilder. For example, given the input string "aabbcc", the output should be "abc".

String Replacement:

Task: Implement a function that replaces all occurrences of a specified substring within a string with another substring using StringBuilder. For example, replace all occurrences of "cat" with "dog".

Palindrome Checker:

Task: Create a method that uses StringBuilder to check if a given string is a palindrome. Use StringBuilder to build the reversed version of the string and compare it with the original.

Solvet for bignner with explation setp by step in c#