检查程序,是否存在问题,如果存在指出问题所在,如果不存在,说明输出结果。public class HelloB extends HelloA { public HelloB() { } { System.out.println("I’m B class"); } static { System.out.println("static B"); } public static void main(String[] args) { new HelloB(); }}class HelloA{ public HelloA() { } { System.out.println("I’m A class"); } static { System.out.println("static A"); }}
A.static AI'm A classstatic BI'm B class
B.I'm A classI'm B classstatic Astatic B
C.static Astatic BI'm A classI'm B class
D.I'm A classstatic AI'm B classstatic B