superclass
RoR: Super and Sub classing controllers
So.. i have a method in a super controller that is the same as one in the sub controller.. all except for the redirect_to if the item doesn\'t save..[详细]
2023-03-27 07:54 分类:问答How to call both super(...) and this(...) in case of overloaded constructors?
I\'ve never needed to do this before but since both have to be the \'first\' line in the constructor how should one tackle it? What\'s the best refactoring for a situation like this?[详细]
2023-03-26 13:07 分类:问答Android: reason for calling superclass?
I\'m looking at the Notepad tutorial from the Android developer\'s site. I have a question about overridden functions calling the super-class of activities. For example,[详细]
2023-03-26 04:14 分类:问答How can a class, extending another class, extends Object class though multiple inheritance is not allowed?
Since I am new to java. I want to know if multiple ineritance is not sup开发者_开发知识库ported in java then how a classextends another class alongwith the default superclass Object?Because although m[详细]
2023-03-25 20:38 分类:问答Implementing class: Cannot find superclass
I have ForceGaugeViewController class and ForceGaugeController class. I\'m trying to make the ForceGaugeController class be a subclass of ForceGaugeViewController, but I\'m receiving errors.[详细]
2023-03-25 04:39 分类:问答How to avoid excessive code duplication when using enums in Java
I am refactoring some legacy code and have come across a problem which I\'m sure has a elegant solution - but I can\'t quite get there.[详细]
2023-03-20 17:49 分类:问答Inheriting from two Java classes
I know Java forbids inheriting from multiple classes and allows implementing any number of interfaces.However, while inte开发者_开发百科rfaces are good for polymorphism, they cannot contain any actual[详细]
2023-03-19 10:51 分类:问答method must call super() error in Netbeans
Recently I\'ve made a Netbeans project and I am using SVN along with it. I am seeing duplicate class error, and in the console it says[详细]
2023-03-16 19:12 分类:问答class definition dependence on runtime
in my webapp I made two different sessionhandler classes开发者_开发知识库 inheriting from a class called SessionHandler[详细]
2023-03-16 12:59 分类:问答Private members in Java inheritance
I was told that for a Java subclass it can inherit all members of its superclass. So does this mean even private members? I know it can inherit protected members.[详细]
2023-03-16 10:16 分类:问答