class Program
{
static void Main(string[] args)
{ Console.WriteLine("----------------------------test Append"); StringBuilder sb = new StringBuilder("Hello",100); sb.Append(" World !"); Console.WriteLine(sb); Console.WriteLine("----------------------------test Insert"); sb = new StringBuilder("Hello"); sb.Insert(2,"sss"); Console.WriteLine(sb); //结果为:Hesssllo Console.WriteLine("----------------------------test Remove"); sb = new StringBuilder("Hello"); sb.Remove(2,3); Console.WriteLine(sb); //结果为:He Console.WriteLine("----------------------------test Replace"); sb = new StringBuilder("Hello"); sb.Replace("l", "M"); Console.WriteLine(sb); //结果为:HeMMo
}
}
