#编码
int[] array = { 1, 3, -1, 5, -2 };
int[] newArray = new int[array.Length];
Array.Copy(array, newArray, array.Length);
Console.WriteLine("原数组：");
foreach(var a in array)
{
Console.Write(a+"\t");
}
Console.WriteLine();
for(int i = 0; i < array.Length; i++)
{
if (array[i] < 0)
{
array[i] = 0;
}
}
Array.Reverse(array);
Console.WriteLine("修改数组：");
foreach (var b in array)
{
Console.Write(b+"\t");
}
Console.ReadKey();
#效果
