Printing a comma (,) after each item in an array

Question

Lets say I have an array (or list) of items

A[] = [a,b,c,d,e]

If I want to print them out so each item is separated by a comma (or any othe

Answer 1

You are looking for String.Join():

var list = String.join(",", A);

String.Join Method (String, String[])

 Concatenates all the elements of a string array, using the specified separator between each element.

public static string Join(
    string separator,
    params string[] value
)