namespace C2_2
{
public class TestRef
{
///
///資料交換方法
///
///
///
static void Swap(ref int x, ref int y)
{
int i = x;
x = y;
y = i;
}
public static void Main()
{
int x = 100;
int y = 200;
Console.WriteLine("交換前:x={0},y={1}", x, y);
Swap(ref x, ref y);
Console.WriteLine("交換後:x={0},y={1}", x, y);
}
}
}
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