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编译运行下面的程序,结果是什么? public class A { public static void main(String[] args) { B b = new B(); b.test(); } void test() { System.out.print("A"); } } class B extends A { void test() { super.test(); System.out.print("B"); } }
A.产生编译错误
B.代码可以编译运行,并输出结果AB
C.代码可以编译运行,但没有输出
D.编译没有错误,但会产生运行时异常
参考答案和解析
代码可以编译运行,并输出结果 AB
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