[Java daily question] 20170118, java20170118

[Java daily question] 20170118, java20170118

20170117 for problem resolution, click "Java daily question" 20170118 "below today's question to view the problem (The problem is resolved at the beginning of the public account, public ID: weknow619)

Package Jan2017; import java. util. list; public class Ques0118 {} class Parent {public Parent method1 () {return new Parent ();} public void method2 (Parent parent) {}} class Sub extends Parent {@ Override public Sub method1 () {return new Sub () ;}@ Override public void method2 (Sub sub Sub ){}}

Today's question:
Are the two methods in Sub-classes correct? (Click "[Java daily question] 20170118" below to view issue resolution 20170117)

Questions originally published on the public account and short book: [Java daily question] 20170118, [Java daily question] 20170118 (you can also scan the Avatar QR code to view)

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