Question

How to get the hash code of a double value in OptionalDouble with Java

Answer 1

import java.util.OptionalDouble; 

public class MyClass {
    public static void main(String args[]) {
       OptionalDouble od = OptionalDouble.of(2345254.983422); 
  
        System.out.println(od.hashCode()); 
    }
}



/*
run:

1017192763

*/

 

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Answer 2

import java.util.OptionalDouble; 

public class MyClass {
    public static void main(String args[]) {
       OptionalDouble od = OptionalDouble.empty(); 
  
        System.out.println(od.hashCode()); 
    }
}



/*
run:

0

*/

 

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