package day23_集合;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.Set;
public class class06_LinkedHashSet {
	@SuppressWarnings({ "rawtypes", "unchecked" })
	public static void main(String[] args) {
		Set set=new LinkedHashSet();
		set.add(new Integer(20));
		set.add(new String("中国"));
		set.add(new Object());
		set.add(new Integer(99));
		set.add(new String("美国"));
		set.add(new Object());
		Iterator iterator=set.iterator();
		while(iterator.hasNext()) {
			System.out.println(iterator.next());
		}
	}
}