Java初始化(构造器)
在类的内部,变量定义的先后顺序决定了初始化的顺序。即使变量定义散布于方法定义之间,它们仍旧会在任何方法(包括构造器)被调用之前得到初始化。
import static humeng.com.cnblogs.util.Print.*; class Window{ Window(int marker){println("Window(" + marker + ")");} } class House{ Window w1 = new Window(1); House(){ println("House()"); w3 = new Window(33); } Window w2 = new Window(2); void f(){ println("f()"); } Window w3 = new Window(3); } public class OrderOfInitialization { public static void main(String[] args){ House house = new House(); house.f(); } }
OutPut:
Window(1) Window(2) Window(3) House() Window(33) f()