<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">import java.util.*;
/* Test HashSet
*/

public class Main {

	public static void main(String args[]) {
		System.out.println( "Hello World!!!" );
		System.out.println(new HashSet());
		HashSet hs= new HashSet();
		System.out.println("Created hs");
		hs.add("xy");
		System.out.println("added first element");
		hs.add("xz");
		hs.add("abcd");
		System.out.println("added two more elements");
		Enumeration hsi= hs.enumeration();
		System.out.println("printing set");
		while (hsi.hasMoreElements()) {
		    String s= (String)hsi.nextElement();
		    System.out.println(s);
		}
		System.out.println("End of set");
		
		System.out.println("No. of rehashes: " + hs.getRehashes());
		for (int i= 0; i != 500; i= i+1) {
		    hs.add("" + i);
		}
		System.out.println("Set size: " + hs.size());
		System.out.println("No. of rehashes: " + hs.getRehashes());
		
		for (int i= 0; i != 500; i= i+1) {
		    hs.remove("" + i);
		}
		System.out.println("Set size: " + hs.size());
		System.out.println("No. of rehashes: " + hs.getRehashes());
        System.out.println("xy is in: " + hs.contains("xy"));
        System.out.println("xz is in: " + hs.contains("xz"));
        System.out.println("xx is in: " + hs.contains("xx"));
        System.out.println("abcd is in: " + hs.contains("abcd"));
        System.out.println("499 is in: " + hs.contains("499"));
	}
}
</pre></body></html>