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Dictionary elements() Method in Java with Examples

  • Last Updated : 27 Dec, 2018

The keys() method of Dictionary class in Java is used to get the enumeration of the values present in the dictionary.

Syntax:

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Enumeration enu = DICTIONARY.elements()

Parameters: The method does not take any parameters.

Return value: The method returns an enumeration of the values of the Dictionary.



Below programs are used to illustrate the working of the java.util.Dictionary.elements() method:
Program 1:




// Java code to illustrate the elements() method
import java.util.*;
  
public class Dictionary_Demo {
    public static void main(String[] args)
    {
  
        // Creating an empty Dictionary
        Dictionary<Integer, String> dict
            = new Hashtable<Integer, String>();
  
        // Inserting elements into the Dictionary
        dict.put(10, "Geeks");
        dict.put(15, "4");
        dict.put(20, "Geeks");
        dict.put(25, "Welcomes");
        dict.put(30, "You");
  
        // Displaying the Dictionary
        System.out.println("The Dictionary is: " + dict);
  
        // Creating an empty enumeration to store
        Enumeration enu = dict.elements();
  
        System.out.println("The enumeration of values are:");
  
        // Displaying the Enumeration
        while (enu.hasMoreElements()) {
            System.out.println(enu.nextElement());
        }
    }
}
Output:
The Dictionary is: {10=Geeks, 20=Geeks, 30=You, 15=4, 25=Welcomes}
The enumeration of values are:
Geeks
Geeks
You
4
Welcomes

Program 2:




// Java code to illustrate the elements() method
import java.util.*;
  
public class Dictionary_Demo {
    public static void main(String[] args)
    {
  
        // Creating an empty Dictionary
        Dictionary<String, Integer> dict
            = new Hashtable<String, Integer>();
  
        // Inserting elements into the table
        dict.put("Geeks", 10);
        dict.put("4", 15);
        dict.put("Geeks", 20);
        dict.put("Welcomes", 25);
        dict.put("You", 30);
  
        // Displaying the Dictionary
        System.out.println("The Dictionary is: " + dict);
  
        // Creating an empty enumeration to store
        Enumeration enu = dict.elements();
  
        System.out.println("The enumeration of values are:");
  
        // Displaying the Enumeration
        while (enu.hasMoreElements()) {
            System.out.println(enu.nextElement());
        }
    }
}
Output:
The Dictionary is: {You=30, Welcomes=25, 4=15, Geeks=20}
The enumeration of values are:
30
25
15
20



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