1 class StaticSuper
 2 {
 3     static String country="SuperClass";
 4     
 5     {
 6         System.out.println("Class StaticSuper block is loading!");   //(5)
 7     } 
 8     
 9     static
10     {
11         //country = "china";
12         System.out.println("Class StaticSuper static block is loading!");  //(3) 
13     }
14     StaticSuper()
15     {
16         System.out.println(country);    //(6)
17     }
18     
19     void ShowMe()
20     {
21         System.out.println(country); 
22     }
23 
24 }
25 
26 class StaticSub extends StaticSuper
27 {
28     static String country2="StaticSub String"; 
29 
30    {
31      System.out.println("Class StaticSub block is loading!");//(7)
32    } 
33    static
34    {
35      System.out.println("Class StaticSub static block is loading!");   //(4)
36    }   
37    StaticSub()
38    {
39    System.out.println(country2);    //(8)
40    }
41   
42    void ShowMe()
43    {
44    System.out.println(country2); 
45    }  
46 }
47 
48 class test
49 {
50     static
51     {
52         System.out.println("Class test is loading!");//(1)
53     }
54     public static void main(String [] args)
55     {
56         System.out.println("Begin executing main method!");//(2)
57         //StaticCode st1=new StaticCode();
58         StaticSuper st=new StaticSub();
59         st.ShowMe();//(9)
60     }
61 }
62 结果：
63 
64 Class test is loading!
65 Begin executing main method!
66 Class StaticSuper static block is loading!
67 Class StaticSub static block is loading!
68 Class StaticSuper block is loading!
69 SuperClass
70 Class StaticSub block is loading!
71 StaticSub String
72 StaticSub String