[Java daily question] 20170223, java20170223

[Java daily question] 20170223, java20170223

20170222 for problem resolution, click "Java daily question" 20170223 "below today's question to view the problem (The problem is resolved at the beginning of the public account, public 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 ");}}

Today's question:
Is there a compilation error in the main program? (Click "[Java daily question] 20170223" below to view issue resolution 20170222)

Questions originally published on the public account and short book: [Java daily question] 20170223, [Java daily question] 20170223 (you can also scan the Avatar QR code to view)

The weknow team has activated the authentication and has answered questions. If you have any questions, you can also consult. Click the answer to find me !!