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[单选题]
请问以下代码的输出是什么: class A { public static int x = 10; public static void printX() { System.out.print(x); } } public class Elm extends A { public int x = 20; public static void main(String[] args) { A a =
A.10和20
B.20和10
C.10和10
D.20和20
提问人:网友xiaoyi277
发布时间:2022-01-06