下列代码的运行结果是:class A1{ public A1(){ System.out.println("A1"); }}class A2 extends A1{ public A2(){ System.out.println("A2"); }}public class A extends A2{ public A(){ System.out.println("A"); } public static void main(String[] args) { A a=new A(); }}
选项:
A:A1A2A;
B:A;
C:AA2A1;
D:A2;
E:A1
发布时间:2024-04-01 10:50:47