1 This list summarizes the top 10 mistakes that Java developers frequently make.
2 Constructor of Super and Sub
3 The java.util.Arrays.ArrayList class has set() , get() , contains() methods, but does not have any methods for adding elements, so its size is fixed.
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@developerfarm: "자바 개발자가 자주 저지르는 10가지 실수(Top 10 Mistakes Java Developers Make)" http://t.co/w9y9koVZRG

@iamprogrammerio: 자바 개발자가 저지르기 쉬운 열가지 실수들 http://t.co/3HcfJfhTKj