More on Class Loading and Initialization

//File: P130_Practice5.py
//Author: lxw
//Time: 2014-05-31
//Usage: P130 Practice 5.

class A{
    static B b = new B();
    public A(){
        System.out.println("A constructor.");
    }
}

class B{
    public B(){
        System.out.println("B constructor.");
    }
}

class C{
    public C(){
        System.out.println("C constructor.");
    }
    public void show(){}
}

class E{
    static int i = print("WARNING.");
    public E(){
        System.out.println("E constructor.");
    }
    static int print(String s){
        System.out.println(s);
        return 1;
    }
}

class D extends A{
    B b = new B();
    static C c = new C();
}

public class P130_Practice5 {
    public static void main (String [] args){
        D d = new D();    // 顺序是： 先是加载完需要的类(只加载需要的类)，然后才执行初始化。
        //D.c.show();    // 只加载
        E e = new E();    // 顺序是： 先是加载完需要的类(只加载需要的类)，然后才执行初始化。
    }
}

lxw@23:53:04:~/eclipse/java/javaComLine$ java P130_Practice5 
B constructor.    
C constructor.        
A constructor.    
B constructor.    
WARNING.
E constructor.