容器API_Collection_1

import java.util.*;

class Name
{
    public String name;
    public String sex;
    public Name(String name,String sex)
    {
        this.name=name;
        this.sex=sex;
    }
       public String toString()
       {
        return name+"  "+sex;
       }
}

public class testarrlist {
    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Collection c=new ArrayList();
        c.add("hello");
        c.add(new Name("f1","l1"));
        c.add(new Integer(100));
        System.out.println(c.size());
        System.out.println(c);
        
    }

}