Java Hashtable - hashCode() Method
The java.util.Hashtable.hashCode() method returns the hash code value for this Map as per the definition in the Map interface.
Syntax
public int hashCode()
Parameters
No parameter is required.
Return Value
Returns a hash code value for this hashtable.
Exception
NA.
Example:
In the example below, the java.util.Hashtable.hashCode() method returns the hash code value for the given hashtable.
import java.util.*; public class MyClass { public static void main(String[] args) { //creating a hashtable Hashtable<Integer, String> Htable = new Hashtable<Integer, String>(); //populating hashtable Htable.put(101, "John"); Htable.put(102, "Marry"); Htable.put(103, "Kim"); Htable.put(104, "Jo"); Htable.put(105, "Sam"); //printing hashtable System.out.println("Htable contains: " + Htable); //printing hashcode of the hashtable System.out.print("Hash Code of Htable is: "); System.out.print(Htable.hashCode()); } }
The output of the above code will be:
Htable contains: {105=Sam, 104=Jo, 103=Kim, 102=Marry, 101=John} Hash Code of Htable is: 76589404
❮ Java.util - Hashtable