using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
                //註解:定義變數 存放整數(int)
            int x = 10;
            int
 
 y = 20;
            int z = 30;
                        //註解:輸出文字
            Console.Write("輸");
            Console.Write("出");
            Console.Write("文");
            Console.Write("字");
            //註解:使用佔位符
            Console.Write("x= {0} and y = {1}", x, y);
                        //註解:輸出文字並換行
 
            Console.WriteLine("");
            Console.WriteLine("自動換行");
            //註解:使用佔位符
            Console.WriteLine("x= {0} and y = {1} and z = {2}", x, y, z);
                        Console.WriteLine("不使用placeholders:"+x+","+y+","+z);
        }
    }
}

輸出文字x=10 and y = 20
自動換行
x=10 and y = 20 and z = 30
不使用placeholders:10,20,30