NULL
博文链接:https://jeckfan.iteye.com/blog/1108756public InitialTestOfChild((
System.Out. println(" Testofchild构造方法")
public class InitialTest
public static void main (String[] args)i
new InitialTestOfChild o
输出结果为
静态内部类中执行的 firststaticoffather: firsts