Java Hashtable Set View Of Keys Example
Chapter:
Collections
Last Updated:
15-05-2016 16:11:31 UTC
Program:
/* ............... START ............... */
import java.util.Enumeration;
import java.util.Iterator;
import java.util.Hashtable;
import java.util.Set;
public class JavaHashTableSetViewOfKeys {
public static void main(String[] args) {
Hashtable hashTable = new Hashtable();
hashTable.put("1", "One");
hashTable.put("2", "Two");
hashTable.put("3", "Three");
Set set = hashTable.keySet();
System.out.println("Set created from Hashtable Keys contains :");
Iterator itr = set.iterator();
while (itr.hasNext())
System.out.println(itr.next());
set.remove("2");
System.out.println("Hashtable keys after removal from Set are :");
Enumeration enumeration = hashTable.keys();
while (enumeration.hasMoreElements())
System.out.println(enumeration.nextElement());
}
}
/* ............... END ............... */
Output
Set created from Hashtable Keys contains :
3
2
1
Hashtable keys after removal from Set are :
3
1
Tags
Collection, Hashtable Set View Of Keys, Java