sample1.cs

C#函数手册

using System;

public class TestEqualClass 
{//创建测试Equals方法的类
	public static void Main() 
	{
		string s1 = "ZeLi";
		string s2 = "C#";
		//定义两个字符串	Console.WriteLine("Object.Equals(\""+s1+"\",\""+s2+"\")=>"+Object.Equals(s1, s2));
		//在控制台输出结果	
		s1 = "ZeLi";
		s2 = "ZeLi";
		//更改字符串内容		Console.WriteLine("Object.Equals(\""+s1+"\",\""+s2+"\")=>"+Object.Equals(s1, s2));	
		//显示更改后的结果
		s1 = null;
		s2 = "Tom";
		Console.WriteLine("Object.Equals(\""+s1+"\",\""+s2+"\")=>"+Object.Equals(s1, s2));	
		s1 = "C#";
		s2 = null;
		Console.WriteLine("Object.Equals(\""+s1+"\",\""+s2+"\")=>"+Object.Equals(s1, s2));	
		s1 = null;
		s2 = null;
		Console.WriteLine("Object.Equals(\""+s1+"\",\""+s2+"\")=>"+Object.Equals(s1, s2));	
	}
}