这个C#编程题怎么做啊

答案：
            string[] MyArray = new string[3] { "语文","数学","英语"};
            string ArrayContent="";
            for(int i=0 ;i<=MyArray.Length-1 ;i++)
            {
               ArrayContent += MyArray[i].ToString()+",";
            }
            MessageBox.Show("课程有："+ArrayContent);
string[] a = {"one","tow","three"};
foreach (string s in a)
            {
             Console.Write(s);   
            }
string[] a = {"语文","数学","英语"};
foreach (string s in a)          
{ Console.Write(s); }
这样就可以啦
string[] da={"a","b","c"};
foreach(string c in da)
{
Console.WriteLine(c);
}
用FOREACH更好。。

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