Collection Of Values From Java Hashtable

Chapter: Collections Last Updated: 14-05-2016 19:08:47 UTC

Program:

            /* ............... START ............... */
                
import java.util.Enumeration;
import java.util.Iterator;
import java.util.Hashtable;
import java.util.Collection;

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

	    Hashtable hashTable = new Hashtable();
	    hashTable.put("1","One");
	    hashTable.put("2","Two");
	    hashTable.put("3","Three");
	    
	    Collection collection = hashTable.values();
	   
	    System.out.println("Values of Collection created from Hashtable are :");
	    Iterator iterator = collection.iterator();
	    while(iterator.hasNext())
	    System.out.println(iterator.next());
	       
	    collection.remove("One");
	   
	    //print values of original values of Hashtable
	    System.out.println("Hashtable values after removal from Collection are :");
	    Enumeration enumeration = hashTable.elements();
	    while(enumeration.hasMoreElements())
	      System.out.println(enumeration.nextElement());
	  }
}

                /* ............... END ............... */
        

Output

Values of Collection created from Hashtable are :
Three
Two
One
Hashtable values after removal from Collection are :
Three
Two

Tags

Collection, Collection Of Values From Java Hashtable, Java

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