20170222问题解析请点击今日问题下方的“【Java每日一题】20170223”查看(问题解析在公众号首发,公众号ID:weknow619)
package Feb2017; public class Ques0223 { public static void main(String[] args) { Parent parent = new Sub(); parent.sum(1, 2); Sub sub = new Sub(); sub.sum(1, 2); } } class Parent{ public void sum(int num1, int... nums){ System.out.println("Parent... sum"); } } class Sub extends Parent{ @Override public void sum(int num1, int[] nums){ System.out.println("Sub... sum"); } }
今日问题:
请问主程序是否有编译错误?(点击以下“【Java每日一题】20170223”查看20170222问题解析)
题目原发布于公众号、简书:【Java每日一题】20170223,【Java每日一题】20170223 (也可以扫描头像二维码查看)