Double.GetHashCode() Method in C#

Double.GetHashCode() 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 Double.GetHashCode() Method:

Example 1:

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// C# program to demonstrate the
// Double.GetHashCode() Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
  
        // Declaring and initializing value1
        double value1 = 10d;
  
        // getting the HashCode
        // using GetHashCode() method
        int value = value1.GetHashCode();
  
        // Display the HashCode
        Console.WriteLine("HashCode is {0}", value);
    }
}

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Output:

HashCode is 1076101120

Example 2:

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// C# program to demonstrate the
// Double.Equals(Double)
// Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
        // calling get() method
        get(5d);
        get(5.5d);
        get(10d);
        get(7.5d);
    }
  
    // defining get() method
    public static void get(double value1)
    {
  
        // getting the HashCode
        // using GetHashCode() method
        int value = value1.GetHashCode();
  
        // Display the HashCode
        Console.WriteLine("HashCode is {0}", value);
    }
}

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Output:

HashCode is 1075052544
HashCode is 1075183616
HashCode is 1076101120
HashCode is 1075707904

Reference:



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