how to return char as string c++ code example

Example 1: java put a char array into a string

char[] arr = { 'p'," ",'q', 'r', 's' };
      String str = String.valueOf(arr);
      System.out.println(str);//"p qrs"

Example 2: python replace char in string

# Python3 program to demonstrate the  
# use of replace() method   
  
string = "geeks for geeks geeks geeks geeks" 
   
# Prints the string by replacing geeks by Geeks  
print(string.replace("geeks", "Geeks"))  
  
# Prints the string by replacing only 3 occurrence of Geeks   
print(string.replace("geeks", "GeeksforGeeks", 3))