输出程序运行后的打印结果:
class Father{ static { System.out.print("1"); } Father(){ System.out.print("3"); } } class Son extends Father{ static { System.out.print("2"); } Son(){ System.out.print("4"); } public static void main(String[] args) { Father s = new Son(); s = new Son(); } }
打印后的结果为:123434