Click here to watch in Youtube : https://www.youtube.com/watch?v=WrXc2mtLEj0&list=UUhwKlOVR041tngjerWxVccw HashSetExample.java import java.util.HashSet;
/*
* Example of clear() method.
*/
public class HashSetExample
{
public static void main( String[] args )
{
HashSet<String> hashSet = new HashSet<String>();
hashSet.add("Dave");
hashSet.add("Peter");
hashSet.add("Phil");
hashSet.add("Rohit");
hashSet.add("Virat");
System.out.println("hashSet: " + hashSet + "\n");
/*
* Removes all of the elements from this set. The set will be empty
* after this call returns.
*/
hashSet.clear();;
System.out.println("hashSet: " + hashSet + "\n");
}
}
Output hashSet: [Rohit, Dave, Phil, Peter, Virat]
hashSet: []