C#中的循环

1.foreach循环

   int[] numbers = { 1, 2, 3, 4, 5 };
   foreach (int number in numbers)
   {
       Console.WriteLine("当前数字为: " + number);
   }
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2.for循环

for (int i = 0; i < 5; i++)
{
    Console.WriteLine("当前数字为: " + i);
}

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3. while 循环的示例：

   int i = 0;
   while (i < 5)
   {
       Console.WriteLine("当前数字为: " + i);
       i++;
   }
   
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4. do-while 循环的示例：

   int i = 0;
   do
   {
       Console.WriteLine("当前数字为: " + i);
       i++;
   }
   while (i < 5);
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