public class Tom{
     int leg; 
     String head;
     void cry(String s){ 
         System.out.println(s);
     }
}
class Example{ 
    public static void main(String args[])
    {   Tom cat;
        cat=new Tom();
        cat.leg=4;    
        cat.head="貓頭";
        System.out.println("腿:"+cat.leg+"條");
        System.out.println("頭:"+cat.head);
        cat.cry("我今天要和Jerry拼了");
    }
}