net c# 数组循环的用法 foreach 和 for循环
static void Main(string[] args){
String[] str =new string[]{"Do","you","like","C#"};
Console.WriteLine("用foreach:");
foreach (string s in str)
{
Console.WriteLine(s);
}
Console.WriteLine("\n不用foreach 語句,用for :");
//效果与foreach 的一样
for (int i = 0; i < str.Length; i++)
{
Console.WriteLine(str[i]);
}