/// <summary>
/// 使用了params关键字
/// </summary>
/// <param name="values">int[]</param>
/// <returns>int[]的和</returns>
static Int32 Add( params Int32[] values ) {
Int32 sum = 0;
for( int x = 0 ; x < values.Length ; x++ )
sum += values[ x ];
return sum;
}