Question

初学c#控制台应用程序编写出来后运行时 控制台闪退

using System;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{int a = 8;
int b = 2;
int sum;
sum = a + b;
Console.WriteLine("{0}+{1}+{2}", a, b, sum);
using System.Collections.Generic;
using System.Linq;
}

Answer 1

        static void Main(string[] args)
        {
            int a = 8;
            int b = 2;
            int sum;
            sum = a + b;
            Console.WriteLine("{0}+{1}+{2}", a, b, sum);
            Console.ReadLine();//加这句运行，或者按Ctrl+F5
        }