C# | Char.GetHashCode() Method with Examples Last Updated : 20 Jan, 2023 Comments Improve Suggest changes Like Article Like Report This method is used to return the hash code for this instance. Syntax: public override int GetHashCode (); Return Value: This method returns a 32-bit signed integer hash code. Below programs illustrate the use of Char.GetHashCode() Method: Example 1: csharp // C# program to demonstrate // Char.GetHashCode() Method using System; class GFG { // Main Method public static void Main() { // declaring and initializing char char ch1 = 'B'; // checking condition // using GetHashCode() Method int val = ch1.GetHashCode(); // Display Hashcode Console.WriteLine("Hashcode :- {0}", val); } } Output:Hashcode :- 4325442 Example 2: csharp // C# program to demonstrate // Char.GetHashCode() Method using System; class GFG { // Main Method public static void Main() { // calling hash() Method hash('a'); hash('b'); hash('c'); hash('x'); hash('y'); hash('z'); } // Defining hash() Method public static void hash(char ch) { // checking condition // using GetHashCode() Method int val = ch.GetHashCode(); // Display Hashcode Console.WriteLine("Hashcode of " + ch + " :- {0}", val); } } Output:Hashcode of a :- 6357089 Hashcode of b :- 6422626 Hashcode of c :- 6488163 Hashcode of x :- 7864440 Hashcode of y :- 7929977 Hashcode of z :- 7995514 Reference: https://docs.microsoft.com/en-us/dotnet/api/system.char.gethashcode?view=netframework-4.7.2 Comment More infoAdvertise with us Next Article C# | Char.GetNumericValue() Method rohitprasad3 Follow Improve Article Tags : C# C# Programs CSharp-method CSharp-Char-Struct Similar Reads C# - Char Struct In C#, the Char struct is used to represent a single Unicode character as a UTF-16 code unit, defined under the System namespace. A Char in C# is a 16-bit value, and it can represent characters in the Basic Multilingual Plane (BMP). Characters beyond 0xFFFF are represented by surrogate pairs (two Ch 4 min read C# | Char.CompareTo() Method In C#, Char.CompareTo() is a System.Char struct method which is used to compare this instance of a specified object or value type and check whether the given instance is precedes, follow, or appears in the same position in the sort order as the specified object or value type. This method can be over 3 min read C# | Char.ConvertFromUtf32(Int32) Method This method is used to converts the specified Unicode code point into a UTF-16 encoded string.Syntax: public static string ConvertFromUtf32 (int utf32); Here, utf32 is a 21-bit Unicode code point.Return Value: This method returns a string consisting of one Char object or a surrogate pair of Char obj 2 min read C# | Char.Equals() Method In C#, Char.Equals() is a System.Char struct method which is used to return a value by checking whether current instance is equal to a specified object or Char value. This method can be overloaded by passing different type of arguments to it. Char.Equals(Char) Method Char.Equals(Object) Method Char. 3 min read C# | Char.GetHashCode() Method with Examples This method is used to return the hash code for this instance. Syntax: public override int GetHashCode (); Return Value: This method returns a 32-bit signed integer hash code. Below programs illustrate the use of Char.GetHashCode() Method: Example 1: csharp // C# program to demonstrate // Char.GetHa 1 min read C# | Char.GetNumericValue() Method In C#, Char.GetNumericValue() is a System.Char struct method which is used to convert a numeric Unicode character into a double-precision floating-point number. The numeric value must belong to UnicodeCategory, i.e DecimalDigitNumber, LetterNumber, or OtherNumber. This method can be overloaded by pa 2 min read C# | Char.GetTypeCode() Method with Examples This method is used to return the TypeCode for value type Char. Syntax: public TypeCode GetTypeCode (); Return Value: This method returns the enumerated constant, Char.Below programs illustrate the use of Char.GetTypeCode() Method:Example 1: csharp // C# program to demonstrate // Char.GetTypeCode() 2 min read C# | Char.GetUnicodeCategory(String, Int32) Method with Examples This method is used to categorizes the character at the specified position in a specified string into a group identified by one of the UnicodeCategory values. Syntax: public static System.Globalization.UnicodeCategory GetUnicodeCategory (string s, int index); Parameters: s: It is the String.index: I 3 min read C# | Char.IsControl(String, Int32) Method This method is used to indicates whether the character at the specified position in a specified string is categorized as a control character. Syntax: public static bool IsControl (string s, int index); Parameters: s: It is the String. index: It is the character position in s. Return Value: This meth 3 min read C# | Char.IsDigit() Method In C#, Char.IsDigit() is a System.Char struct method which is used to check whether a Unicode character can be categorized as a decimal digit(radix 10) or not. Valid digits will be the members of the UnicodeCategory.DecimalDigitNumber category. This method can be overloaded by passing different type 3 min read Like