substring()得用法
substring()有两种重载方法。
substring(int i)//i<string.Length
substring(i,j)
using System;
class test
{
static void Main()
{
string mystring="I love you more than i can say !";
string string1=mystring.Substring(0);
Console.WriteLine(string1);
String string2=mystring.Substring(2);
Console.WriteLine(string2);
string mystring3=mystring.Substring(2,4);
Console.WriteLine(mystring3);
}
}
substring(int i)//i<string.Length
substring(i,j)
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