C#數組分割文本，組成文本實現代碼

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace page72_4
{
class Program
{
static void Main(string[] args)
{
string[] str = { "歡迎", "大家", "百度", "鄧振振" };
string strRes = null;
for (int i = 0; i < str.Length-1; i++)
{
strRes += str[i] + "|";
}
strRes +=str[str.Length-1];
Console.WriteLine(strRes);
}
}
}