About static code blocks in inheritance, building blocks of code, constructor execution order

1 classHelloa {2 3      PublicHelloa () {4System.out.println ("Helloa");5     }6    7{System.out.println ("I ' M A class"); }8    9     Static{System.out.println ("Static A"); }Ten  One } A  -  Public classHellobextendsHelloa { -      PublicHellob () { theSystem.out.println ("Hellob"); -     } -     -{System.out.println ("I ' M B class"); } +     -     Static{System.out.println ("Static B"); } +     A      Public Static voidMain (string[] args) { at  -SYSTEM.OUT.PRINTLN ("-------Main start-------"); -         NewHellob (); -         NewHellob (); -SYSTEM.OUT.PRINTLN ("-------Main end-------"); -     } in}

Microsoft Windows [version 6.2.9200]
(c) Microsoft Corporation. All rights reserved.

C:\users\xw>javac Hellob.java

C:\users\xw>java Hellob
Static A
Static B
-------Main start-------
I ' M A class
Helloa
I ' M B class
Hellob
I ' M A class
Helloa
I ' M B class
Hellob
-------Main end-------

About static code blocks in inheritance, building blocks of code, constructor execution order