1 package st;
2 //内部类
3 class RedCowForm
4 {
5 static String formName;
6 RedCow cow;
7 RedCowForm(){}
8 RedCowForm(String s){
9 cow = new RedCow(150,112,5000);
10 formName=s;
11 }
12 public void ShowCowMess()
13 {
14 cow.speak();
15 }
16 class RedCow //内部类的声明
17 {
18 String cowName ="红牛";
19 int height , weight , price;
20 RedCow(int h ,int w, int p)
21 {
22 height=h;
23 weight=w;
24 price=p;
25 }
26 void speak()
27 {
28 System.out.println("偶是"+cowName+",身高:"+height+"cm 体重: "+weight+"kg,生活在"+formName);
29 }
30 }
31 }
32 public class example_1
33 {
34 public static void main(String args[])
35 {
36 RedCowForm form = new RedCowForm("红牛农场");
37 form.ShowCowMess();
38 form.cow.speak();
39 }
40 }