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C# CompareOrdinal() Method
The CompareOrdinal() method in C# is used to compare two specified String objects by evaluating the numeric values of the corresponding Char objects in each string.
Syntax
public static int CompareOrdinal (string str1, string str2);
Above, str1 and str2 are the strings to compare.
The return value is less than zero, str1 < str2. It is zero, if str1 = str2. Returns greater than zero, if str1 > str2.
Example
using System;
public class Demo {
public static void Main(string[] args) {
string s1 = "Amy";
string s2 = "Katie";
string s3 = s2;
Console.WriteLine("String1 = "+s1);
Console.WriteLine("String2 = "+s2);
Console.WriteLine("Are both the strings equal? = "+s1.Equals(s2));
Console.WriteLine("Are both the strings equal? = "+s2.Equals(s3));
Console.WriteLine(string.CompareOrdinal(s1, s2));
Console.WriteLine(string.CompareOrdinal(s2, s3));
}
}Output
String1 = Amy String2 = Katie Are both the strings equal? = False Are both the strings equal? = True -10 0
Example
using System;
public class Demo {
public static void Main(string[] args) {
string s1 = "David";
string s2 = "David";
string s3 = s2;
string s4 = "Tom";
string s5 = s4;
Console.WriteLine("String1 = "+s1);
Console.WriteLine("String2 = "+s2);
Console.WriteLine("String3 = "+s3);
Console.WriteLine("String4 = "+s4);
Console.WriteLine("String5 = "+s5);
Console.WriteLine("Is s1 and s2 equal? = "+s1.Equals(s2));
Console.WriteLine("Is s2 and s3 equal? = "+s2.Equals(s3));
Console.WriteLine("Is s3 and s4 equal? = "+s3.Equals(s4));
Console.WriteLine("Is s4 and s5 equal? = "+s4.Equals(s5));
Console.WriteLine(string.CompareOrdinal(s1, s2));
Console.WriteLine(string.CompareOrdinal(s2, s3));
Console.WriteLine(string.CompareOrdinal(s3, s4));
Console.WriteLine(string.CompareOrdinal(s4, s5));
}
}Output
String1 = David String2 = David String3 = David String4 = Tom String5 = Tom Is s1 and s2 equal? = True Is s2 and s3 equal? = True Is s3 and s4 equal? = False Is s4 and s5 equal? = True 0 0 -16 0
Updated on: 03-Dec-2019
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