package set; import java.util.*; import java.util.logging.*; /** * @version 1.02 2012-01-26 * @author Cay Horstmann */ public class SetTest { public static void main(String[] args) { Logger.getLogger("com.horstmann").setLevel(Level.FINEST); Handler handler = new ConsoleHandler(); handler.setLevel(Level.FINEST); Logger.getLogger("com.horstmann").addHandler(handler); Set parts = new HashSet<>(); parts.add(new Item("Toaster", 1279)); parts.add(new Item("Microwave", 4104)); parts.add(new Item("Toaster", 1279)); System.out.println(parts); } }