Java Collection Tutorial - Java EnumMap.hashCode()

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Syntax

EnumMap.hashCode() has the following syntax.

public int hashCode()

Example

In the following code shows how to use EnumMap.hashCode() method.

/*from   w  ww  . j  av  a2  s.  c  o  m*/

import java.util.EnumMap;

enum Tutorial{CSS, Python, PHP, Java, Javascript}; 

public class Main {
   public static void main(String[] args) {
      EnumMap<Tutorial,String>  map = 
              new EnumMap<Tutorial,String> (Tutorial.class);

      map.put(Tutorial.CSS, "1");
      map.put(Tutorial.Python, "2");
      map.put(Tutorial.PHP,"3");
      map.put(Tutorial.Java, "4");
      
      System.out.println(map.hashCode()); 
      
      map.clear();
      
      System.out.println(map.hashCode());
      
   }
}

The code above generates the following result.

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