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C# 入门经典示例.

發布時間:2025/7/14 C# 39 豆豆
生活随笔 收集整理的這篇文章主要介紹了 C# 入门经典示例. 小編覺得挺不錯的,現在分享給大家,幫大家做個參考.

?

??? class Class3

??? {

?????? static int a = ushort.MaxValue, b;

?????? static short c;

??????? static void Main()

??????? {

????????? //調試的時候不會報錯。

????????????

??????????????? Console.WriteLine(a);

??????????????? c = (short)a;

?

??????????????? Console.WriteLine(c);

?? ? ? ?}

??? }

?

?

??? class Class3

??? {

?????? static int a = ushort.MaxValue, b;

?????? static short c;

??????? static void Main()

??????? {

?

?? ? ? ? ? ?Checked ?//調試的時候如果出現溢出,會報錯。直接運行不會報錯。

??????????? {

??????????????? Console.WriteLine(a);

??????????????? c = (short)a;

?

??????????????? Console.WriteLine(c);

??????????? }

?? ?

??????? }

??? }



?

??? class Class3

??? {

?????? static int a = ushort.MaxValue, b;

?????? static short c;

??????? static void Main()

??????? {

?

?

??????????? int a;

??????????? string ok = Console.ReadLine();

??????????? Console.WriteLine(int.TryParse(ok, out a));

??????????? Console.WriteLine(a);

?

??????????? string temp = Console.ReadLine();

??????????? char[] ok = new char[] { ' ', '1' };

??????????? string[] tempArray = temp.Split(ok);

??????????? foreach (var item in tempArray)

??????????? {

??????????????? Console.WriteLine(item);

?

??????????? }

??????????? Console.WriteLine("3¨°¨¤¤??o??");

??????????? string Lstring = Console.ReadLine();

??????????? for (int i = Lstring.Length - 1; i >= 0; i--)

??????????? {

??????????????? Console.WriteLine(Lstring[i]);

?

??????????? }

?

??????????? Console.WriteLine("??Yes ???a No");

?

??????????? string LString = Console.ReadLine();

??????????? LString = LString.Replace("yes", "No");

??????????? Console.WriteLine(LString);

?

???????????

???????????

??????????? Console.WriteLine("???죤?¨o¨?|??°y?");

????????

??????????? string Lstring = Console.ReadLine();

??????????? string[] Rstring = Lstring.Split(' ');

??????????? string result = null;

??????????? foreach (var item in Rstring)

??????????? {

??????????????? if (item == string.Empty)

??????????????????? continue;

??????????????? result += "\"" + item + "\"";

?

??????????? }

?

???

?

??????????? Console.WriteLine(result);

?

?

?

?

??????????

???????????

???????????

?

??

???????????

??????? }

??? }

?

?

轉載于:https://www.cnblogs.com/fat_li/archive/2011/01/29/1947444.html

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