Java Integer - hashCode() Method
The java.lang.Integer.hashCode() method returns a hash code for this Integer.
Syntax
public int hashCode()
Parameters
No parameter is required.
Return Value
Returns a hash code value for this object, equal to the primitive int value represented by this Integer object.
Exception
NA.
Example:
In the example below, the java.lang.Integer.hashCode() method returns a hash code for the given Integer.
import java.lang.*; public class MyClass { public static void main(String[] args) { //creating Integer objects Integer val1 = 25; Integer val2 = -25; //printing hashcode of the Integer objects System.out.println("hashCode of the val1 is: " + val1.hashCode()); System.out.println("hashCode of the val2 is: " + val2.hashCode()); } }
The output of the above code will be:
hashCode of the val1 is: 25 hashCode of the val2 is: -25
❮ Java.lang - Integer