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public static void Main(string[] args) { Stopwatch sw = new Stopwatch(); //程序计时器 StringBuilder str = new StringBuilder... 阅读全文
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string s = "asdf"; //字符转char char[] c = s.ToCharArray(); Console.WriteLine(s[0]); //char转string string s1 =... 阅读全文
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项目右键引用 ,添加要引用的然后在代码用 using 绰用 阅读全文
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public class Students { //创建对像时使用 public Students(string name, int age, char gender, int englist, int chinese, int math) { ... 阅读全文