C# String Join(String, Object[])

Description

String Join(String, Object[]) concatenates the elements of an object array, using the specified separator between each element.

Syntax

String.Join(String, Object[]) has the following syntax.

[ComVisibleAttribute(false)]/*  w  w  w  .  j a  va 2  s  .co  m*/
public static string Join(
  string separator,
  params Object[] values
)

Parameters

String.Join(String, Object[]) has the following parameters.

• separator - The string to use as a separator. separator is included in the returned string only if values has more than one element.
• values - An array that contains the elements to concatenate.

Returns

String.Join(String, Object[]) method returns A string that consists of the elements of values delimited by the separator string. If values is an empty array, the method returns String.Empty.

Example

//w w w  .  j a v a2  s.  c  om
using System;
public class MainClass{
  public static void Main(String[] argv){  
    object[] values = { null, "Java2s.com", 1234, 11434, .366 };
    if (values[0] == null) values[0] = String.Empty;
    Console.WriteLine(String.Join("|", values));
  }
}

The code above generates the following result.