java继承各个类构造器加载的顺序

package Extends;

public class Exercise {
public static void main(String[] args) {
C c = new C();
}
}

class A {
public A() {
System.out.println("A contructor");
}
}

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

class C extends A {
public C() {
System.out.println("C contructor");
}

B b = new B();

}