import java.util.*;
public class Capture
{
static <T> Set<T> listToSet( List<T> list ) {
Set<T> set = new HashSet<T>();
set.addAll( list );
return set;
}
public static void main( String [] args )
{
List<?> list = new ArrayList<Date>();
Set<?> set = listToSet( list );
}
}
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