Java初始化顺序

 package com.helei.init;

 class Log {
     public static String fatherStaticString(){System.out.println("father's static field");return "";}
     public static String sonStaticString(){System.out.println("son's static field");return "";}
     public static String fatherNormalString(){System.out.println("father's normal field");return "";}
     public static String sonNormalString(){System.out.println("son's normal field");return "";}
 }
 class Father{
     String fatherNormalField1 = Log.fatherNormalString();
     static String fatherStaticField1 = Log.fatherStaticString();

     {System.out.println("Father's normal block1");}

     static {System.out.println("Father's static block1");}
     static {System.out.println("Father's static block2");}

     static String fatherStaticField2 = Log.fatherStaticString();

     {System.out.println("Father's normal block2");}

     String fatherNormalField2 = Log.fatherNormalString();

     Father(){
         System.out.println("Father's constructor");
     }
 }
 public class Son extends Father {
     String sonNormalField1 = Log.sonNormalString();
     static String sonStaticField1 = Log.sonStaticString();

     {System.out.println("Son's normal block1");}

     static {System.out.println("Son's static block1");}
     static {System.out.println("Son's static block2");}

     static String sonStaticField2 = Log.sonStaticString();

     {System.out.println("Son's normal block2");}

     String sonNormalField2 = Log.sonNormalString();

     Son(){
         System.out.println("Son's constructor");
     }

     public static void main(String[] args){
         Son son1 = new Son();
         Son son2 = new Son();
     }
 }

 father's static field
 Father's static block1
 Father's static block2
 father's static field
 son's static field
 Son's static block1
 Son's static block2
 son's static field
 father's normal field
 Father's normal block1
 Father's normal block2
 father's normal field
 Father's constructor
 son's normal field
 Son's normal block1
 Son's normal block2
 son's normal field
 Son's constructor
 father's normal field
 Father's normal block1
 Father's normal block2
 father's normal field
 Father's constructor
 son's normal field
 Son's normal block1
 Son's normal block2
 son's normal field
 Son's constructor

1、父类静态字段/代码块（并列优先级，按代码顺序）
2、子类静态字段/代码块（并列优先级，按代码顺序）
3、父类普通字段/代码块（并列优先级，按代码顺序）
4、父类构造方法
5、子类普通字段/代码块（并列优先级，按代码顺序）
6、子类构造方法

　　Java初始化顺序：

　　　　1、先父类后子类

　　　　2、先静态字段或代码块，后普通字段或代码块（并列优先级，按代码顺序）

　　　　3、先父类构造方法，后子类构造方法