public class Demo06 {
public static void main(String[] args) {
Set set = new LinkedHashSet();
set.add(new String("AA"));
set.add(456);
set.add(456);
set.add(new Customer("刘",1001));
set.add(123);
set.add("HSP");
System.out.println("set="+set);
}
}
class Customer {
private String name;
private int no;
public Customer(String name, int no) {
this.name = name;
this.no = no;
}
}