简单的java小程序

public class People

{   int height;

    int weight;

    String name;

    void speak(String s)

{  System.out.println(s);

    }

}

class A

{   public static void main(String args[])

{  People p;

      p=new People();

      p.name="zhangsan";

      p.height=170;

      p.weight=65;

      System.out.println("姓名:"+p.name);

      System.out.println("身高:"+p.height);

      System.out.println("体重:"+p.weight);

      p.speak("Java Way!");

    }

}