Parallel Language Reference : Strings - Concatenate/Convert an array to a string

 
string[] someArray = new string[3] { "a", "b", "c" };
string someString = string.Join(",", someArray);
 

 
Dim someArray(2) As String
someArray = New String() {"a", "b", "c"}
Dim someString As String = String.Join(",", someArray)
 

 
function join(SomeArray: Array of String; Separator: String) : String ;
var
  count:integer;
  results: String;
begin
  for count:= 0 to Length(SomeArray)-1 do
  begin
    results:= results + SomeArray[count];
    if (count < Length(SomeArray) - 1) then
      results:= results + Separator;
  end;
  join:= results;
end;
 

 
String[] someArray = {"a","b","c"};
String someString = StringUtils.join(someArray, ","); 
// org.apache.commons.lang.StringUtils 
 
// Alternative
String join(String[] someArray, String separator)
{
    String values = "";
    for(int i=0; i < someArray.length; i++)
    {
        values+=someArray[i];
        if (i != someArray.length-1)
            values+=separator;
    }
    return values;
}
 

 
$someArray = array("a", "b", "c");
$someString = implode($someArray, ",");
 

 
var someArray = ["a", "b", "c"];
var someString = someArray.join(",");