using System;
class Program
{
static int Main()
{
string user;
int num = 0;
const int max = 4;
while (num < max)
{
++num;
user = Console.ReadLine();
}
Console.WriteLine("{0}", user);
return 0;
}
}
为什么编译过不了,而把Console.WriteLine("{0}", user);放到while里或者把user初始化位NULL又可以编译过了?
还有C#中有没有类似C++中while(cin>>a)这样的,当遇到Ctrl+Z时跳出循环