Double hashCode() method in Java with examples

The hashCode() method of Double class is a built-in method use to return the hashcode value of this Double object. Syntax:

DoubleObject.hashCode()

Parameters: It takes no parameters. Return Type: It returns an int value. The value returned is (int)(v^(v>>>32)) where v is a long variable equal to Double.doubleToLongBits(this.doubleValue()). Below is the implementation of hashCode() method: Example 1: Example 2: