Construct a string from Array

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The String.Join method will help us to construct a string From array/list of characters or string. This method accepts two parameters. The first one is the delimiter or the separator which will help you to separate each element in the array. And the second parameter is the Array itself.

String from char array:

string delimiter=",";
char[] charArray = new[] { 'a', 'b', 'c' };
string inputString = String.Join(delimiter, charArray);

Output : a,b,c if we change the delimiter as "" then the output will become abc.

String from List of char:

string delimiter = "|";
List<char> charList = new List<char>() { 'a', 'b', 'c' };
string inputString = String.Join(delimiter, charList);

Output : a|b|c

String from List of Strings:

string delimiter = " ";
List<string> stringList = new List<string>() { "Ram", "is", "a","boy" };
string inputString = String.Join(delimiter, stringList);

Output : Ram is a boy

String from array of strings:

string delimiter = "_";
string[] stringArray = new [] { "Ram", "is", "a","boy" };
string inputString = String.Join(delimiter, stringArray);

Output : Ram_is_a_boy

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