[C++] 类型和变量

sbyte、short、int、longbool、float、double、char

object, string , ...,自定义的class

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CSharp基础语法
{
  class Program
  {
    static void Main(string[] args)
    {
      int a = 12;
      int b = a + 100;
      Console.WriteLine("结果为：" + b);
    }
  }
}

string a = "numbers: "+ 66;

string str = string.Format("你好:{0},人民:{1}",1314,521);

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CSharp基础语法
{
  class Program
  {
    static void Main(string[] args)
    {
      string a = "numbers: " + 66;
      string str = string.Format("你好:{0},人民:{1}", 1314, 521);
      Console.WriteLine("结果为：" + a);
      Console.WriteLine(str);
    }
  }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CSharp基础语法
{
  class Program
  {
    static void Main(string[] args)
    {
      Console.WriteLine("numbers: " + 66);
      Console.WriteLine("你好:{0},人民:{1}", 1314, 521);
    }
  }
}