实验string类下述方法

来源：互联网发布：化学化工物性数据查询编辑：程序博客网时间：2024/05/06 19:20

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

namespace ConsoleApplication7
{
    class Program
    {
        static void Main(string[] args)
        {
            string s = "welcome to yantai ";
            string s1 = "hello world!";
            string s3 = "wang chun wei";
            Console.WriteLine(s.Length);
            Console.WriteLine(string.Compare(s, s1));
            Console.WriteLine(s.CompareTo(s1));
            Console.WriteLine(string.Equals(s, s1));
            Console.WriteLine(s1.Contains ("yantai"));
            string s2 = s.Replace("to","To");
            Console.WriteLine("s1变大写"+s1.ToUpper());
            Console.WriteLine(s3.Remove(0,4));
            Console.WriteLine(s3.IndexOf("c"));
            Console.WriteLine(s3.LastIndexOf("w"));
            Console.WriteLine(s3.Substring(4,6));
        }
    }
}