public class RedCowForm {
    static String fromName;
    RedCow cow;

    RedCowForm() {
    }

    RedCowForm(String s) {
        cow = new RedCow(150,112,5000);
        fromName = s;
    }

    public void showCoeMess() {
        cow.speak();
    }

   static class RedCow {//内部类
        String cowName = "红牛";
        int height, weight, price;

        RedCow(int h, int w, int p) {
            height = h;
            weight = w;
            price = p;
        }

        void speak() {
            System.out.println("偶是" + cowName + "身高：" + height + "cm 体重" + weight + "kg,生活在" + fromName);

        }
    }
}