带C#示例的String.Equality(==)运算符
C#String.Equality运算子
“==”是C#中的String.Equality运算符,用于检查两个字符串对象是否具有相同的值。
语法:
public static bool operator == (string a, string b);
参数:它有两个参数都是要比较的字符串。
返回值:bool-返回布尔值。如果字符串具有相同的值,则返回true,否则返回false。
示例
Input:
string str1 = "nhooo";
string str2 = "nhooo";
String.Equality:
str1 == str2;
Output:
trueC#使用String.Equality(==)运算符比较两个字符串的示例
using System;
using System.Text;
namespace Test
{
class Program
{
static void Main(string[] args)
{
string str1 = "nhooo";
string str2 = "nhooo";
//比较字符串
Console.WriteLine("str1==str2: " + (str1 == str2));
if (str1 == str2)
Console.WriteLine("str1 and str2 have the same values");
else
Console.WriteLine("str1 and str2 don't have the same values");
str1 = "Hello world";
str2 = "nhooo";
//比较字符串
Console.WriteLine("str1==str2: " + (str1 == str2));
if (str1 == str2)
Console.WriteLine("str1 and str2 have the same values");
else
Console.WriteLine("str1 and str2 don't have the same values");
//按ENTER退出
Console.ReadLine();
}
}
}输出结果
str1==str2: True str1 and str2 have the same values str1==str2: False str1 and str2 don't have the same values
参考:运算符String.Equality(String,String)
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