Doubles.hashCode() is a method of Doubles Class in Guava Library which is used to return a hash code for a double value. The hashCode is an unique integer value that is calculated by the compiler for an object. It remain the same if the object value does not changes.
Syntax:
public static int hashCode(double value)
Parameter: This method takes a mandatory parameter value which is a double value for which the hashCode is to be found.
Return Value: This method returns an integer value which is the hash code for the specified value.
Below programs illustrate the use of the above method:
Example 1:
// Java code to show implementation of// Guava's Doubles.hashCode() method  import com.google.common.primitives.Doubles;import java.util.Arrays;  class GFG {    // Driver's code    public static void main(String[] args)    {        // Using Doubles.hashCode() method to        // get the hash code for value        System.out.println("HashCode value of 10.12: "                           + Doubles.hashCode(10.12));    }} |
Output:
HashCode value of 10.12: -470599859
Example 2:
// Java code to show implementation of// Guava's Doubles.hashCode() method  import com.google.common.primitives.Doubles;import java.util.Arrays;  class GFG {    // Driver's code    public static void main(String[] args)    {        // Using Doubles.hashCode() method to        // get the hash code for value        System.out.println("HashCode value of 20.45: "                           + Doubles.hashCode(20.45));    }} |
Output:
HashCode value of 20.45: 1929854976
