import java.util.*;
public class HashSetTest
{
private String colors[] = { "red", "white", "blue",
"green", "gray", "orange",
"tan", "white", "cyan",
"peach", "gray", "orange" };
public HashSetTest()
{
ArrayList aList;
aList = new ArrayList( Arrays.asList( colors ) );
System.out.println( "ArrayList: " + aList );
printNonDuplicates( aList );
}
public void printNonDuplicates( Collection c )
{
HashSet ref = new HashSet( c ); // create a HashSet
Iterator i = ref.iterator(); // get iterator
System.out.println( "\nNonduplicates are: " );
while ( i.hasNext() )
System.out.print( i.next() + " " );
System.out.println();
}
public static void main( String args[] )
{
new HashSetTest();
}
}