public void Out(out int a, out int b)
{//out相当于return返回值 //可以返回多个值 //拿过来变量名的时候,里面默认为空值 a=1; b=2; } static void Main(string[] args) { int a = 0; int b = 1; Program hanshu = new Program(); hanshu.Out(out a, out b);
//100以内与7无关的数
//个位数是7 //十位数是7 //7的倍数for (int i = 1; i <= 100;i++ )
{ if (i % 10 == 7 || i / 10 == 7 || i % 7 == 0) { //break;//跳出整个循环 continue;//跳出本次循环,继续下次循环 } Console.Write(i+"\t"); } Console.ReadLine();![](https://images2015.cnblogs.com/blog/979494/201607/979494-20160703113223999-149763016.png)