java.util.IdentityHashMap.hashCode() Method


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Description

The hashCode() method is used to get the hash code value for this map.

Declaration

Following is the declaration for java.util.IdentityHashMap.hashCode() method.

public int hashCode()

Parameters

NA

Return Value

The method call returns the hash code value for this map.

Exception

NA

Example

The following example shows the usage of java.util.IdentityHashMap.hashCode()

Live Demo
package com.tutorialspoint;

import java.util.*;

public class IdentityHashMapDemo {
   public static void main(String args[]) {

      // create identity hash map
      IdentityHashMap ihmap = new IdentityHashMap();

      // populate the map
      ihmap.put(1, "java");
      ihmap.put(2, "util");
      ihmap.put(3, "package");

      System.out.println("Hash code value is: " + ihmap.hashCode());
   }    
}

Let us compile and run the above program, this will produce the following result.

Hash code value is: -264851324

java_util_identityhashmap.htm

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